Spider silk. The reason it seems so weak when you accidentally walk through a web is because it is so thin. If you could make spider silk thicker it would be stronger than a steel cable.
Steel. It's a much stronger and much less expensive material.
Insect wings are part of a bug's skeletal system. The wings of insects are made of chitin, which is a light, extremely strong material that also makes up an insect's exoskeleton.
Steel.
it is made out of steel
It was made of steel.
steel and plastic
Metal or steel
Steel
Yes, they are steel.
Probably because steel is made of several different metals that may make it's structure stronger than most metals.
no a skeleton is stronger than steel so it ways more.
Robots are usually not made of steel, they are usually made of a lighter material like an aluminum alloy