ductility - the ability of a material to be streched, drawn or pulled without breaking. copper is ductile, elasticity - the ability to return to its original shape after streching or compression. lycra has elasticity, hardness - the ability to withstand impact, wear abrassion and indentation. tungsten is hard (knives, drill, saws), malleability - the ability to withstand bending and shaping without cracking or splitting. gold, copper, silver, lead, strength - the ability to withstanda forcesuch aspressure, compression, tension, shear. ca be strong in one force and not the other. concreate is strong in compression but not tension, toughness - the ability to absorb shock without fractoring. kelvar body armour absorbs impact,

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?