There are many different examples of what could be considered tough materials. These materials include rubbers, metals, and plastics for example.
Impermeable material is material that does not allow anything to penetrate it. An example of it is CLAY.
From a book
solid
C3h4
A rock may be brittle.
carbon fiber, Kevlar, most metals oh and lexan
Abrasive minerals can either be natural or synthetic. An example of an abrasive material is quartz because it is hard, sharp and tough.
Denim
metal
nylon is a tough light waterproof material.. =/
material found in the cell walls of all fungi
The cell walls of fungi are composed of a tough substance called chitin
it means how tough the material is. duh. \ NOPE! JUST CHUCK TESTA WITH ANOTHER REALISTIC ANSWER! 8======D
it means how tough the material is. duh. \ NOPE! JUST CHUCK TESTA WITH ANOTHER REALISTIC ANSWER! 8======D
It is referring to whether the material tears, rips, or breaks easily. If it is tough material it is strong.
Manmade material
kevlar