What are some interesting facts about screws?
The Screw is Just a narrow inclined plane wrapped around a shaft (: Features
A screw is a simple tool that consists of a metal head and shaft. The shaft has an inclined plane that spirals around it either counterclockwise or clockwise. This inclined plane is called the thread of the screw.
Screws are most commonly used to fasten one object to another. Different screws do different jobs. A jackscrew can lift heavy objects. A good example is the jack that is used to lift a car to fix a flat tire. A vice is another type of screw.
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Screws come in different sizes that are indicated by a number on the box. Screws do not change in length as the sizing number goes up. As the number increases, screws become wider and thicker.
The driver of the screw refers to the type of indentation at the head of the screw. The two most common types of drivers are the flathead and the crosshead. The flathead consists of a straight indentation, while the crosshead has a cross-shaped indentation.
The pitch of a screw refers to the degree of the thread, or inclined plane. The pitch of a screw is determined by a number, just like the size.
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Did you know that the penguin first appeared 40 million years ago in the east part of Europe when it was still the Ice Age? They are order Sphenisciformes, family Spheniscidae… , they eat krill, fish and squid, the largest is the emperor, and the smallest is the little blue, some prehistoric ones may have been as tall, or weighed as much as a human. ---- . Penguins can swim 15 miles per hour . There are at least 18 species of penguins . However only seven species are actually found in Antarctica . Penguins mate for life . A group of penguins can be called a colony or a rookery . Penguins cannot swim backwards (yeah, who knew?) . Penguins can hold their breaths for six minutes underwater . A group of penguins on land is a waddle. The nesting group is a rookery. A group of babies is a creche. A group on water is a raft. And a group of penguins in a bar is known as a Morty. . to be continued about the penguins
It is used in guitar amps and fiber optics.
Every shark except the zambisi shark would die if it stopped swimming, they dont have bones they have cartillage, if they loose a tooth one will grow back. They dont like the …taste of human flesh. They attack based on electrical movements they sense in the water, babys in the mother will eat each other. the zambisi shark can live in fresh water . A shark's body is streamlined, so that it could swim fast for it's food! . A shark has sharp teeth to eat it's food quickly! . A shark has a slippery body to help itself swim faster! . A shark has gills only to breath! . A shark can weigh up to 13 tons!
Brazil is the largest country in Latin America Brazil has won the World Cup 5 times Brazil has the biggest river in size and amount of water (the Amazon River); Also the secon…d biggest in amount of water is in Brazil too. (not in size, that would be the Nile River, in Egypt) --> wrong. Due to recent satelite studies, the Amazon river is also the biggest in size, even bigger than the Nile. (the research has been published by the Discovery Channel) Brazil has one of the New 7 Wonders of the World, the Christ Redeemer statue, placed on the Corcovado hill, in Rio De Janeiro Brazil has one of the biggest cities in the wold. SÃ£o Paulo, has a huge urbanized area, and a huge population. It's a centre of investments, that influences not only the country itself, but all the countries in Latin America Brazil has the biggest rain forest of the world, the Amazon forest Due to his strong economy, Brazil was the last country to be affected by the recent economic crisis. And was, also the first one to overcome it and start growing economically again, while other countries remain affected by the global crisis. Brazil is part and is ahead of the BRIC's. The group of the main developping countries, which also includes Brazil, Russia, India and China.
Fact 1: Colombia does not have seasons; because it is near the equator, it has sunlight throughout the year. Fact 2: The name Colombia is derived from the name Christop…her Columbus. Fact 3: Experts believe that 3000 out of the 14000 spices of butterflies are found in Colombia. Fact 4: Colombia produces 60% of the world's most expensive Emeralds. . Fact 5: Colombia is the home country for many famous people such as Shakira and the famous writer Gabriel Garcia Marquez. Fact 6: Colombia is the only country in South America that has access to both the Pacific and Caribbean ocean. Fact 7: In 1975, Colombian women were given the right to vote. Fact 8: The official currency in Colombia is the Columbian Pesos. Fact 9: The highest peak in Colombia is the Pico Cristobal Colon at 5797 meters. Fact 10: The official language is Spanish, but there is other 64 Native tongues still in use. . _________ . As I read in some website .
A pharmacist invented Coca Cola
Well they have very sharp teeth to cut through animal flesh or plants, the laterel line that is an organ that can detect other movements in the water like the heart beats of o…ther smaller fish, they can smell one drop of blood from two miles away, some piranhas lay their eggs in muscles so if you need anymore info on piranhas go to EBBAS PAGE THE PIRANHS PAGE
Alaska is the coldest state in the U.S. Click on "Alaska fun facts" under "Related links" below.
Some interesting facts about Russia: . The capital is Moscow. . The Russians were the ones who defeated the Nazis in WWII,along with America and their allies. . Since 19…93 Russia has had a Democratic government.
1- World's largest irrigation system is in Pakistan. 2- World'slargest deep sea port is Gawadar in Pkaistan. 3- Pakistan is aproud owner of tallest cake world record. 4- World…'s largest milkprocessing plant with Nestle. 5- Population of Pakistan is largerthan Russia , although the land is much smaller. 6- Pakistani armedforce s are internationally ranked sixth largest in the world by2010. 7- India was kicked out from U19 world cup by Pakistan. 8-Pakistan is the only muslim nuclear power. 9- Sixth nuclear powerof the world. 10- Pakistan is ninth super-power nation of theworld. 11- Pakistan is notable for having one of the best trainedairforce pilots in the world. 12-Pakistan has world's youngestcivil judge , Muhammad Illyas. 13-Pakistan has seventh largestcollection of scientists and engineers. 14- About 50% of theworld's footballs are made in Pakistan. 15- Pakistan's nationalanthem tune ranks first in the top three tunes of the world.16-Fourth largest broadband internet system of world is inPakistan. 17-The youngest certified Microsoft technology specialistis a Pakistani who is only 12 yrs old. 18- Second largest saltmines of the world are Khewra Mines in Pakistan. 19- Largestproducer of chickpeas. 20- Pakistan has sixth largest population inthe world.
It became a state on Jan 4,1896.the 2002 olympic games were held there.there are many state and national parks there. To find out more go to Utah.com
Some interesting facts about the Xylophone is that it looks very much like a Piano, it was originated in first Asia and then spread to Africa and more, Xylophones and Marimbas… are actually 2 different instruments and the Xylophone was first used in Dance Macabre in 1874 by a french composer named Camille Saint-Saens.
The rattlesnake has a rattle
some intersting facts are that asternouts ~ they sleep while standing~ ~they eat dry space food~ ~they can float in their spaceships~
In Atmospheric Sciences
The word Lithosphere means ball of stone
A downy woodpecker is the smallest species of woodpeckers in North America
It requires three different kinds of wood to build a violin: Spruce, maple and ebony. The violin evolved about the same time as another string instrument, the gamba. The ga…mba was considered the "aristocratic" instrument, the violin a "peasant" instrument. The gamba has disappeared from history, while the violin sings merrily on. The violin's strings are tuned (from highest to lowest) E, A, D, G.