The organisation of the city appears to have differed from that of other Maya sites and appears to have been geared towards a specialised coastal trade in salt.
Steel is a solid solution, a subtype of chemical mixtures that involve two or more molecules in a solid state that combine to form a single substance while retaining their individual identities. The component metals making up steel are not chemically bonded together. Continue Reading.
How to Harden Steel. Steel is an alloy of iron used in construction, the manufacture of metal tools and other applications. In uses exposing it to a lot of wear and tear, the steel must be hardened and then tempered so it stands up to the level of usage it's intended for.