( Mechanical engineering : Manufacturing and assembly )
The brass is then heated in a process known as annealing, softening it so that it does not split.
Annealing involves heating a metal to a suitable temperature and holding it there, followed
by cooling it at a suitable rate to lower the hardness.
Annealing is the process of heating a metal or alloy to a temperature below its melting point
in order to make it softer.
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