Question

Cementation is part of the process of
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Answer 1

One of these, depends on which subject you're doing.

the binding together of particles or other things by cement.

2.

a process of altering a metal by heating it in contact with a powdered solid, especially a former method of making steel by heating iron in contact with charcoal.

Answer 2

The cementation process is an obsolete technology for making steel by carburization of iron. Unlike modern steelmaking, it increased the amount of carbon in the iron. It was apparently developed before the 17th century.