Beyond lower turnover ,how else does costco benefit from treating its employees well?

In simple words, by treating the employees well in the organisation businesses can get a lot of unexpected profits besides the lower cost due to lower employee turnover.

Employees in such organisation will always be motivated to work hard and self align their interests with objectives and goals of the organisation. Also employee satisfaction leads to lesser conflict with the workplace which further leads to more efficiency.

metallurgy is your answer

the "study of metals and the process of refining ("

note that it says metal. metallurgy has the word "metal" in it, and so is most likely your answer (and is your answer).

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explanation:

kool beans