Lighter metals and stronger alloys have been developed.

It is also used to make very strong tough alloys.

This new material had stronger alloys in the iron.

This door is made from our strongest alloy.

The later case, copper atoms are replaced by zinc to give a stronger alloy than the mother metal.

It should be vueshield-is actually a very strong alloy.

They are sometimes available in aluminum instead of original iron, or in stronger alloys.

It was not until the development of stronger alloys such as steel, and improved heat treatment processes that longswords became practical for combat.

Its feathers are made of a strong alloy.

The plate was metal, not glass - some light, strong alloy.