it can't be scratched or dented easily.
No. Hard material an only be scratched by a material of equal or greater hardness.
Material acquisition
I assume you mean "soft iron" ... so that it quickly loses its magnetism when the current flow stops.
its hard
rock
it's hard but will break easily.
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.
Diamond is the earths hardest material.
It mean when you are able to bend material
Skleero (as in hard material) or deeskolo (as in difficult)
does this mean the denture material is soft?”
dentin
METAL
Yes