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Highly strengthened polycarbonate.
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How do you write a sentence for the word astronaut?
About any sentence that you can make like: " the astronaut works for Nasa." Notice the "the" at the start? That is the mostly used word for "astronaut".
Why a astronaut and not an astronaut?
"An astronaut" is the correct form, not "a astronaut." "an" is used instead of "a" whenever the word it modifies begins with a vowel.
What material was used to make the first compass?
Lodestone.
What is a vehicle used by Apollo astronaut the moon?
lunar rover
What is the difference between an astronaut and a cosmonaut?
Astronaut and cosmonaut are the names given to people who travel in space, either as a pilot or crew member of a spacecraft. Astronaut is widely used by English-speaking countries, cosmonaut is used by Russia. Other countries like China use completely different words for space traveler.But they are essentially the same thing, astronaut being an American version and cosmonaut generally referring to Russian space travelers. It is the English rendering of the Russian word Kosmonavt
How do you write a sentence for the word astronaut?
About any sentence that you can make like: " the astronaut works for Nasa." Notice the "the" at the start? That is the mostly used word for "astronaut".
Why a astronaut and not an astronaut?
"An astronaut" is the correct form, not "a astronaut." "an" is used instead of "a" whenever the word it modifies begins with a vowel.
Is there a material that you can alternate between transparency or tinted and can it be used for a helmet visor?
Visors and sunglasses are typically used to block out the sun. You can usually wear either or both even while wearing a helmet. Sunglasses and visors come in a variety of tints and colors.
Why isn't carbon fiber used to make footballll helmets even thought it is stronger and lighter than polycarbonate the standard material for footballll helmet shells?
Carbon fiber is a lighter and stronger material to use and would theoretically be an ideal material to use for a football helmet. The problem is that carbon fiber has poor impact resistance. The University and Oregon University worked on a project to make a complete uniform out of carbon fiber. Article below. http://www.carbonfiberguru.com/2010/01/23/oregons-carbon-fiber-footbal-helmets/
What is pith?
Central spongy area of stem of most flowering plants. White material between peel and fruit of an orange. Used as a liner in helmet's in India, hence the term Pith Helmet.
What is velour material?
Velour material is material used to make tracksuits etc.
What material is used to make a bow for a violin?
The material is Horse Hair :)
What material is used to make art?
what materials were used to make aboriginal objects
What material used to make forklift carriage?
Steel is used.
What material is used to make tag heuer watches?
Its material is stainless steel.
What material was used to make flour sacks?
Cotton was used to make flour sacks.
What material is used to make film?
Cellulose
