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Coal hats are made from rigid plastic. Since it' made from rigid plastic internally the hat has suspension that spreads any impact from any falling objects across the helmet.
yes
Helicopters are made mostly of aluminium because it is strong, light and versatile
It depends on your definition of "strongness". Pasta can be more rigid, but toothpicks have more flexibility, depending on conditions. Like everything else, it depends on the rules.
cranes made of paper
Any material sufficiently rigid and stable to perform the locking function. metals used are aluminum and brass, and some hard plastics.
Nylon fibre was strong, elastic and light. It was lustrous and easy to wash. So the ropes are made up of nylon. Parachutes also made up of nylon.
The major projects that have made use of bridge cranes or overhead cranes include construction developments. Almost all paper mills in the world utilize bridge cranes. Demag Cranes and component was one of the first corporations to prosper from the use of bridge cranes as a result the company produced the world's first steam powered crane.
The Eiffel is very stable because Gustave Alexandre Eiffel who built it used many well thought out structural members to support the body and shape of the iron tower!!!
The Rigid tools sold by Home Depot are made in China.
Yes, it is made out of solid materials and is therefore quite rigid.
a tree rises up from the ground . its rigid trunk supports all its weight . its roots anchor it into the soil . it doesnt walk , run ,or swim in order to live and grow , the tree must be made of rigid buildings blocks - rigid cells that support it
a tree rises up from the ground . its rigid trunk supports all its weight . its roots anchor it into the soil . it doesnt walk , run ,or swim in order to live and grow , the tree must be made of rigid buildings blocks - rigid cells that support it
Whooping Cranes are not extinct, but almost were. If we haven't looked at the situation the way we did the whooping crane would probally be extinct by now. There are about 500 whooping cranes left in the North America (they only live in North America).
Rigid, brittle rock.
The most rigid shape that you can make out of straight pieces is the triangle.