Most of them are made of hard material, which makes it very hard to lift up.
No. If they were invisible we would not know they were there. The material of the rings is dark, which makes them hard to see.
No. Hard material an only be scratched by a material of equal or greater hardness.
what is a hard material t protects the skin
ni hard material lubrication is required or not
The material used for hard hats are plastic and metal.
what makes solid hard
The material that makes up Mount Rushmore is granite.
It's not the material it's whats in iron and cobalt makes materials magnetic
TimberWood is the hard inside material that makes up tree trunks and branches. Another word for wood could be lumber.
a material tailoring is a person who makes clothing
Bone is a composite material, like fiberglass (something hard [and thus brittle] in a matrix of a more flexible substance. In fiberglass the glass makes the (fishing rod) strong, the plastic makes it tough. In bone, the calcium salts make it strong and hard, the connective tissue makes it tough.