Category: Other

What type of drill will drill a flat bottomed hole?

forstner bit
The only way to drill a flat bottomed hole is with a forstner bit.

What is a flat bottom drill bit used for?

Flat-bottom drills are also used for counterboring holes, drilling holes at an angle, and creating intersecting holes and half holes. They can be used for drilling inclined and rounded surfaces, shoulders, or thin plates. Flat-bottom drill bits create holes with flat bottoms.

How do you cut the bottom of a flat hole?

Drill your hole close to depth with a standard drill bit, then finish off with the flat bottom drill. Don’t start holes with such a drill, they tend to cut well oversized until the margin pilots the drill well. That’s why counterbores use pilots. Store the flat bottom drill in an index for future use.

What is a flat bottomed hole?

The Flat-bottom Hole (FBH) is machined to have a flat reflecting surface at the hole bottom. The hole bottom is typically parallel to the beam entry surface, but can be machined at other desired angles.

How do you drill a recessed hole?

Here’s how:

1. Drill your pilot hole with the appropriate-sized drill bit.
2. Swap out the bit for a drill bit that’s slightly larger than your screw head. Drill a shallow divot into your pilot hole so that the screw head can sit just below the surface.
3. Switch the drill bit for a screw bit and screw in your screw.

How do you drill a blind hole?

How to mark drill locations from blind holes?

1. Tape some paper taught over the work piece and create a rubbing with a pencil.
2. Lightly thread set screws into all of the holes. Put it on a piece of softer wood and stand on it and get the set screws to mark an indentation and using that piece of wood as a template.

What is flat drill?

A rotary end-cutting tool constructed from a flat piece of material provided with suitable cutting lips at the cutting end.

How do you stop a burr in drilling?

To minimize burr size, feed rates must be reduced only as the tool exits the workpiece. Higher feeds are used when drilling a hole until the drill is about to break through the workpiece.

What is flat bottom hole in ultrasonic testing?

SDH – Side-Drilled Hole and FBH – Flat-Bottomed Hole are the two main calibration reflectors which are used in ultrasonic testing. The FBH is drilled into calibration blocks so that the flat end face presents a circular disc perpendicular to the beam (see Figure, top).

What are countersink pilot holes?

Countersinking involves enlarging the rim of a pilot hole so that the head of the screw sits flush or just below the wood’s surface.

What are twist drills made of?

The majority of modern-day twist drills are made from High Speed Steel. High Speed Steel is a high carbon tool steel with a red hardness of around 650°c; although this can differ depending on the quality and the amount of tungsten in the material.

What is the difference between a blind hole and a through hole?

A blind hole is a hole that is reamed, drilled, or milled to a specified depth without breaking through to the other side of the workpiece. A through hole is a hole that is made to go completely through the material of an object. In other words, a through hole is a hole that goes all the way through something.

Can you really train your hair to be less oily?

But you can train your hair to be less oily with a technique called hair training. This involves slowly reducing the frequency of hair washes to get your scalp used to not being rinsed often, naturally minimizing oil production. Get rid of greasy strands for good and learn how to train your hair ahead!

How long does it take to train hair to be less greasy?

Depending on your hair type, you can wait three to five days between washes, and we’ve got the scoop on how to survive the process while you’re waiting for sebum production to slow down. We’ll admit, the first two weeks are the most difficult, but after about week four, you should see a significant difference.

How do I get my hair to not be oily?

7 Tips to stop your hair getting so greasy as quickly

1. Choose your shampoo and conditioner carefully.
2. What to eat to avoid greasy hair.
3. Don’t wash your hair every day.
4. Add a purifying shampoo.
5. Only apply conditioner sparingly on the ends.
6. The specific amount of shampoo you should use.
7. Use apple cider vinegar.

Does your hair get less greasy the less you wash it?

Use Dry Shampoo Between Washes If you’re someone who can’t fathom going a single day without washing your hair because your strands accumulate way too much oil, fight the urge and skip your daily hair wash. It might sound counterintuitive, but the less you wash your hair, the better off it’ll be.

Is oily hair healthy?

Everyone’s scalp can get a little oily sometimes. But a little oil is OK! Oil (sebum) helps protect and support healthy hair. But an abnormally oily scalp can feel like a problem if it makes your hair feel greasy or dirty all the time.

Why hair gets oily fast?

It’s not your imagination—the more you wash your hair, the quicker it may seem in need of another wash. The reason being that if you cleanse your hair of its natural oils too frequently, it could be trying to overcompensate. Your scalp could be amping up oil production, which means greasier strands in record time.

Can you train your hair to be washed less?

Fortunately, you can actually train your hair to reduce its oil production. When you develop a routine that eliminates daily washing, your hair “learns” it won’t be losing those useful oils so often.

Why is my hair greasy after one day?

Those with fine or thin hair, however, may find their hair looks greasy after just one day. It’s all to do with the amount of oil your scalp produces, as well as how well your hair can carry that oil.

Should I wash my hair everyday if I workout?

You don’t have to shampoo every day. According to Redway, if you’re doing heavy cardio daily, you should wash your hair two to three times a week. “Rinsing your scalp in between shampoos will help clean it. And if you have curly or textured hair, co-wash [with conditioner but not shampoo] in between.

What can I do to make my hair less oily?

Try Dove Clarify & Hydrate Shampoo, which contains charcoal to wash away product build-up and leave your hair with a squeaky clean feeling – without drying it out. Wallace suggests following up with a hydrating conditioner. “Always remember to avoid conditioning the roots, because if you don’t, it’ll help produce the oils much faster,” he says.

How to train your hair to be less greasy?

How to Train Your Hair to Be Less Greasy, According to Hairstylists. 1 Wash Your Hair With a Sulfate-Free Shampoo. Moroccanoil Clarifying Shampoo $26 Shop. 2 Use Dry Shampoo Between Washes. 3 Try a Texture Spray. 4 Wear Your Hair Up. 5 Rinse With Apple Cider Vinegar.

How long does it take to train your scalp to be less greasy?

“You can train your scalp to be less greasy in the course of three to four days, however, it will take some time for your body to fully adjust,” Potempa says. “Take some time to do research about the type of hair you have and establish a new routine that gives your body enough time to adjust to the change.” Here’s what to do below… 1.

Does over washing your hair make it oily?

Yes, shampoo can strip your hair of its oils, making it produce more oil. This means that by over-washing your hair, you are actually training it to become an efficient sebum-manufacturing machine. And, in order to reverse this problem, you need to resist the urge to scrub those strands.

What is the i5-10400F compared to?

We compared two 6-core desktop CPUs: the 2.9 GHz Intel Core i5 10400F against the 3.6 GHz AMD Ryzen 5 3600. On this page, you’ll find out which processor has better performance in benchmarks, games and other useful information….General.

Vendor	Intel	AMD
Model number	i5-10400F	–
Socket	LGA-1200	AM4
Integrated GPU	No	No

Is i5-10400F vs 10400?

We compared two 6-core desktop CPUs: the 2.9 GHz Intel Core i5 10400F against the 2.9 GHz i5 10400….General.

Vendor	Intel	Intel
Codename	Comet Lake	Comet Lake
Model number	i5-10400F	i5-10400
Socket	LGA-1200	LGA-1200
Integrated GPU	No	UHD Graphics 630

Is quad-core or i5 better?

The difference is that a dual core Mobile Core i5 CPU is a much more powerful CPU than the quad core AMD A6 APU. Additionally, the nVidia GT 630m is a much more powerful graphic card (by notebook standards), than the integrated Radeon HD 6520G inside the AMD A6 APU.

Is CPU i5 good for gaming?

Conclusion. In the end, Intel Core i5 is a great processor that is made for mainstream users who care about performance, speed and graphics. The Core i5 is suitable for most tasks, even heavy gaming.

Is 3600 better than 10400F?

Compared to the similarly priced Ryzen 5 3600, the 10400F’s lower memory latency gives it the lead in gaming and effective speed benchmarks. Since the Ryzen architecture creates a gaming bottleneck, it is necessary to upgrade to a higher tier, Intel CPU for better gaming performance.

Is the i5 10400F a good CPU?

Intel Core I5 10400f is a great mid-range processor for gaming in 2021. With 6 cores and 12 threads, this CPU will be a great entry into gaming, especially when paired with a good GPU. You can expect decent results in most popular games that aren’t CPU demanding.

Is the Intel Core i5-10400 good for gaming?

As a rare Intel value play, the Core i5-10400 is a decent bet for PC gamers and mainstream users if AMD Ryzen 3000 and 5000 chips stay hard to get and/or inflated in price.

What does F mean in Intel CPU?

requires discrete graphics
“F” means it requires discrete graphics. In other words, it doesn’t have integrated graphics (basically a GPU built into the processor), thus requiring a standalone graphics card.

Is Intel Core i5 good for GTA 5?

Yes, you should be able to run it at low resolution/details settings.

Is Ryzen 5 3600 better than i5?

But back to today’s comparison, the Ryzen 5 3600 destroys the Core i5-9400F in core-heavy games and applications. It currently costs 33% more, but it was often 50% faster in applications and provided roughly 30% gains in modern games.

Can you change the battery in a FireAngel ST 620 smoke alarm?

The unit comes with a sealed, tamper proof battery that will last the lifetime of the alarm. The sensor within the unit will deteriorate after 10 years, so to ensure you’re protected we recommend you replace the unit after this time.

Why Does My Fire Angel Fire alarm keep going off?

My mains smoke alarm keeps going off – what does this mean? If your Mains Powered alarm is false alarming, there could be several reasons why. Most commonly, there will be something contaminating the sensor within the unit such as an insect or dust particles.

What is a Thermoptek smoke alarm?

Combining optical sensing with thermal enhancement, Thermoptek technology uses two separate sensing elements to constantly monitor for two different by‑products of fires: smoke and temperature increases.

How do I change the battery in my FireAngel?

1. Step 1: Opening. Open the smoke detector by prying the 4 tabs with flat screw drivers.
2. Step 2: Dismantling. Remove battery cover, and motherboard from the housing.
3. Step 3: Cut the Housing With a Dremel. Cut an opening into the bottom housing.
4. Step 4: Assembly. In the Priority that you prefer:
5. Step 5: Finalise.
6. 4 Comments.

How long do FireAngel smoke alarms last?

every 10 years
Your smoke alarm needs replacing every 10 years! Have you checked the date? FireAngel.

Why is my FireAngel flashing red?

The red LED on the front of the alarm will flash once every 8 seconds to show that it is in Silence mode. The alarm will sound continuously and the red LED will flash every second when the alarm senses smoke. NEVER IGNORE ANY ALARM. If an alarm is sounding, it is warning you of a potentially hazardous situation.

Why is my fire alarm flashing red?

All smoke Alarms also have a red light that flashes momentarily every 40-60 seconds to visually indicate they are operating. This same red light flashes continuously when the Smoke Alarm has been activated.

How do I activate my smoke alarm?

Get tips on battery-operated smoke detector installation and maintenence….Test Smoke Detector

1. Once all the wiring is connected at the breaker panel and no one is doing anymore electrical work, turn on the power to the circuit.
2. Confirm each alarm’s power light is on.
3. Press the test button on each alarm.

How do you Interlink smoke detectors?

An electrician can interconnect smoke detectors using a three-way switch, which contains black, red and white wires. To interconnect the detectors, they simply connect the red wires from all the alarms together. It’s also possible to buy wireless interconnected smoke alarms.

Why is my multi sensor fire alarm flashing red?

When in ‘Hush’ mode the Alarm will flash the red light every 8 seconds (instead of the normal 48 seconds) to indicate the sensitivity is reduced. On interconnected Alarms, pressing the Test/Hush Button on the Alarm sensing smoke or fire (i.e. the one with the red light flashing rapidly) will silence all Alarms.

What did the Sugar Act of 1764 do?

Enacted on April 5, 1764, to take effect on September 29, the new Sugar Act cut the duty on foreign molasses from 6 to 3 pence per gallon, retained a high duty on foreign refined sugar, and prohibited the importation of all foreign rum.

What was the Sugar Act of 1764 in simple terms?

The British Parliament passed the Sugar Act in 1764. It provided for a strongly enforced tax on sugar, molasses, and other products imported into the American colonies from non-British Caribbean sources. The act was also called the Plantation Act or the Revenue Act.

What are 3 important facts about the Sugar Act?

Facts about the Sugar Act, which was the first act passed by Parliament to raise money from the colonies….Enforcement Disrupts and Damages Colonial Trade

• The Sugar Act required increased enforcement of smuggling laws.
• Enforcement was carried out by the Royal Navy and British customs officials.

What was the cause of the Sugar Act?

The purpose of this act was to protect its sugar plantations from the more fertile lands of the French and Spanish colonies in the West Indies. A six pence per gallon of molasses was imposed on all imports.

Why was the Sugar Act unfair?

The Sugar Act was seen as unfair by the American colonists because they had no direct representation in Parliament.

How did the Sugar Act stop smuggling?

The Sugar Act lowered the duty on foreign-produced molasses from six pence per gallon to 3 pence per gallon, in attempts to discourage smuggling.

Why was the Sugar Act placed?

What did loyalists think of the Sugar Act?

Even though this law angered many colonists, Loyalists supported the Sugar Act since selling their goods to England would help bring in more money to the British government. In March of 1765, as a means to save the government money, Parliament passed the Quartering Act.

What was the Sugar Act of 1764?

The Sugar Act. The Revenue Act of 1764, also known as the Sugar Act, was the first tax on the American colonies imposed by the British Parliament.

What is the Plantation Act of 1764?

The Plantation Act, also known as the Sugar Act, was the first of the Revenue Acts to be passed, on April 5, 1764. In the words of one historian, it brought a “new realism to the regulation of foreign trade in America.”

What was the impact of the Sugar Act on New England?

New England especially suffered economic losses from the Sugar Act. The stricter enforcement made smuggling more dangerous and risky, and the profit margin on rum, so the colonists argued, was too small to support any tax.

How much did it cost to support the Sugar Act each year?

It cost an estimated 200,000 pounds to support them each year. The Sugar Act was enacted on April 5, 1764, in order to help reduce the staggering national debt incurred during the French and Indian War and to help pay for the continued presence of British troops in the colonies to defend from any further attacks.

Is Saito powerful in Familiar of Zero?

Saito tends to come out on top fighting most any foe, especially with Louise at his side. He even held off an army of 70,000 to buy time for the Tristian army to retreat. The battle against the 70,000 alone is reason enough to put him at number two.

Does Tiffany like Saito?

Although Tiffania likes Saito, it is not to the point of actually having true feelings for him, it is more like a close friendship because Saito was the first human of her age to accept her even if she was an elf and was not afraid of her (Elves were despised in Halkegenia at that time, until Tiffania’s origins were …

Does Saito end up with Henrietta?

Since then, Henrietta begins to develop a more closer relationship with Saito and eventually she falls in love with him.

Does Tabitha like Saito?

Soon after Tabitha is declared the heir to the throne of Gallia, but postpones the coronation to live with Saito in De Ornielle with Louise and Siesta, because Tabitha has a crush on Saito.

Who is TIFA familiar?

Tiffania Westwood

Tiffania Westwood
(ティファニア・ウエストウッド, Tifania Uesutouddo) Tiffa (ティファ, Tifa)
Debut
Anime	The Familiar of Zero: Knight of the Twin Moons Episode 12
Voice Actor

How old is Louise from the Familiar of Zero?

16
Louise de la Vallière

Louise Françoise le Blanc de la Vallière
Gender	Female
Birthdate	August 6
Age	16
Height	153 cm–156 cm 162 cm (While wearing heels)

Is Louise a tsundere?

Zero no Tsukaima was originally a light novel that got an anime adaptation in 2006. It features a tsundere main heroine — Louise, voiced by Kugimiya Rie, the tsundere queen herself.

https://www.youtube.com/watch?v=aTQWkdAfYdY

How long is the battery life on the HP stream?

eight hours and 15 minutes
HP claims that the three-cell Lithium-ion battery inside the Stream 11 will deliver up to eight hours and 15 minutes of life before it requires charging again. It just about delivered, too, as it managed just over eight hours of web browsing and YouTube viewing.

How many watts is a HP Stream laptop?

45 watt
HP supplies a 45 watt charging adapter with the Stream 11. The maximum charge rate when the battery is almost depleted is about 18.3 watts, which leaves plenty of adapter power to keep the rest of the system going while charging the battery.

Does the HP Stream 7 have a front camera?

Yes, HP Stream 7 has both front and rear cameras.

What size charger does an HP Stream use?

Product Type :19.5V 2.31A 45Watt Input: AC 100-240V 50-60HZ. Connector size: interior diameter: 3.0mm; external diameter: 4.5mm (Please make sure the charger adapter fit your laptop before you bid .)

How much power does charging a laptop use?

According to the United States Department of Energy’s most recent laptop power consumption estimate, a standard laptop charger uses 50 watts of electricity, equal to 5-kilowatt hours. Using an average, a WH implies that if a laptops is used for eight hours a day, it would cost 5p a day to keep it running.

How do I reset my HP Stream 7?

Use the following steps to reset your computer from the Start screen:

1. Swipe in from the right edge to open the Charms menu and then tap Settings.
2. Tap Change PC Settings, tap Update and recovery, and then tap Recovery.
3. Under Remove everything and reinstall Windows, tap Get started.
4. On the Reset your PC screen, tap Next.

How do I reset my password on my HP Stream 7 tablet?

Hi, with the tablet powered down, press the power button, when you see the back light press the volume rocker switch down. It will bring up the Startup Menu and press F11 for System Recovery and it should restore it to the out of the box configuration.

Is a HP Stream good for gaming?

The HP Stream, to be exact. And take our word for it — this computer’s lowly Intel Celeron processor couldn’t possibly play most modern video games. There’s no discrete graphics chip, and barely enough storage (generally 32GB) to install a single title.

How can I tell what model my Presto pressure cooker is?

If you have a Presto® pressure cooker or canner, the model number is found in one of three places: a tag on the cover, stamped on the bottom of the body, or stamped on the side of the body just below the body handle.

What are vintage Presto pressure cookers made of?

Stainless Steel such as this presto cooker is typically intended for restaurant kitchens that typically use a furnace area to heat up large amounts of food at one time. Stainless steel is a wonderful material in that it is old and reliable.

How do you use an old fashioned pressure cooker?

For an old-fashion-type pressure cooker, place the cooker on medium-high heat and brown the foods. Then add liquids and remaining ingredients, cover, bring pressure up, and complete the pressure cooking. For newer cookers, most have a brown function—see manufacturer’s instructions.

How much water do I put in my Presto pressure cooker?

NOTE: 3 quarts of water are needed regardless of how many jars are being canned. 6. Place filled jars on canning rack immediately after each jar is filled.

What size is my Presto pressure canner?

70’s Presto Pressure Canner It is a 21 qt. This ole gal can hold 18 pints stacked, 7 quarts and 4 half gallon jars.

What is a Presto cooker?

National Presto Industries features some of the best aluminum pressure cooker and stainless pressure cookers money can buy. The Presto Pressure Cooker has been in demand with consumers since 1939 and our selections of Presto pressure cookers are offered below.

Are Presto pressure cookers made in the USA?

The design, marketing, sale, and distribution of this product takes place in the U.S. The actual manufacturing is done in China. Quality Testing is done in both the U.S. and China.

What is anodised pressure cooker?

What is a hard-anodized pressure cooker? A hard-anodized pressure cooker is a hard-anodized aluminum pot. Anodizing is when the aluminum is coated with a layer of oxide to make it highly durable, scratch-resistant, and non-stick.

Can a pressure cooker explode?

However, pressure cookers can be dangerous. Manufacturing defects and design defects are frequently the cause of pressure cooker explosions. Some common injuries from pressure cooker use are steam burns, contact burns, splashed/spilled hot liquids, and explosion.

What happens when a pressure cooker runs out of water?

Answer: You should not use a pressure cooker without water. That’s because the pressure will build up in absence of water and the pressure cooker will explode.

What happens if you put too much water in your pressure canner?

Always use the canning rack that came with the canner. Jars may break if set directly on bottom of canner. In general, 3 inches of hot water into the canner. Too much water is unlikely to cause harm, but too little could boil dry and that would be a major problem.

How many numbers do you need in Powerball to win a prize?

To win Powerball, you need at least 2 winning numbers from the first barrel as well as the Powerball number from the second barrel. Alternatively, you can win Powerball without getting the Powerball number if you select 5, 6 or 7 of the winning numbers from the first barrel. Your numbers can be in any order.

How much does 4 numbers pay in Powerball?

Jackpot Prize Levels

Weeks without jackpot	Jackpot Prize
1	$4 Million
2	$8 Million
3	$20 Million
4	$40 Million

How does Powerball 8 work?

A System 8 means you select 8 numbers, a System 17 you select 17 numbers and so on. You can choose from 7 – 20 numbers (or 8 – 20 numbers for Oz Lotto) in one game panel. If you’re playing Powerball, you can only choose extra numbers in the first panel – i.e. you cannot choose extra Powerball numbers.

Where can I find the latest Powerball numbers in Oklahoma?

View the latest Powerball winning numbers in the Lottery.com app or on the Lottery.com website following each drawing here on the Oklahoma Powerball Results page. What are the odds of winning? Higher than you think! The odds of winning a prize are 1 in 24.9.

What is the biggest Powerball prize ever won in Oklahoma?

Powerball began in 1992, but Oklahoma introduced it in 2006. Since then, several players from Oklahoma have won massive prizes. The biggest ones were: Don & Joyce Harvey — $105.8 million on June 27, 2007, in Roland, OK. WJW Investment Trust — $101.8 million on June 17, 2006, in Broken Arrow, OK.

When did the Oklahoma Lottery start selling Powerball tickets?

The Oklahoma Lottery began ticket sales in 2005 and announced its first Powerball winner soon after in 2006. The lottery offers a variety of daily games, multi-state jackpots, and ways to win instantly.

What are the most popular lottery games in Oklahoma?

Powerball is one of the two lottery games in Oklahoma with the highest jackpots, often going over $300,000,000 in cash. This makes it one of the most popular lotteries in the Sooner State, similar to many other states that operate it. The draws happen every three days, and you can play for just $2.

https://www.youtube.com/watch?v=T3XQiMp-MI4

Does bipedalism improve thermoregulation?

It may be that hominin bipedalism was an important precondition for the greatly reduced hair and increased heat loss through sweating seen in hominins; our model suggests a thermoregulatory advantage to bipedalism only once hair loss and high sweat rates had evolved.

What are the five distinguishing characteristics of bipedalism?

Major morphological features diagnostic (i.e., informative) of bipedalism include: the presence of a bicondylar angle, or valgus knee; a more inferiorly placed foramen magnum; the presence of a reduced or nonopposable big toe; a higher arch on the foot; a more posterior orientation of the anterior portion of the iliac …

What are the characteristics of Orrorin tugenensis?

Living around 6 million years ago, Orrorin tugenensis is the one of the oldest early humans on our family tree. Individuals of this species were approximately the size of a chimpanzee and had small teeth with thick enamel, similar to modern humans.

Was orrorin Tugenensis bipedal?

Three fragments of femora of Orrorin tugenensis, a 6 Ma hominid from the Lukeino Formation, Kenya, possesses a suite of derived characters that reveal that the species was habitually bipedal.

What anatomical feature of the body defines humans as bipedal hominids?

Walking upright on two legs is the trait that defines the hominid lineage: Bipedalism separated the first hominids from the rest of the four-legged apes. It took a while for anthropologists to realize this. At the turn of the 20th century, scientists thought that big brains made hominids unique.

How do we know Orrorin tugenensis was bipedal?

In the femur, the head is spherical and rotated anteriorly; the neck is elongated and oval in section; and the lesser trochanter protrudes medially. This suggests that Orrorin tugenensis was bipedal, however, the rest of the postcranium indicates it climbed trees.

How much did the Orrorin tugenensis weigh?

The size of its bones suggests that this species was 1.5 times larger than the Australopithecus. In addition, it shows that the average weight of this type of living being could be between 30 and 50 kilograms. Other fossil remains found from the Orrorin Tugenensis they were part of the humerus, a proximal phalanx, and a thumb phalanx.

Is Orrorin tugenensis the oldest species?

Orrorin tugenensis. Living around 6 million years ago, Orrorin tugenensis is the one of the oldest early humans on our family tree. Individuals of this species were approximately the size of a chimpanzee and had small teeth with thick enamel, similar to modern humans.

What are the parts of the Orrorin tugenensis?

Other fossil remains found from the Orrorin Tugenensis they were part of the humerus, a proximal phalanx, and a thumb phalanx. The different analyzes to these parts also refuted the theory that it was the ancestry of the Homo sapiens for its resemblance to other primate species.

How did the Orrorin tugenensis maintain an upright posture?

For this reason, the shape of the femur fragments found indicates that the Orrorin Tugenensis they could have maintained an upright posture on two of their legs, managing to perform other movements. Orrorin Tugenensis, Natalia Acevedo and Javier Rosique, Portal Aprende en Línea, (2016).