Which of the following is an example of specialization? A. An engineer is an expert at designing roofing systems
B. An automobile manufacturer produces the entire vehicle itself
from start to finish
C. A commercial farm produces a wider variety of crops to guard
against the failure of any one crop
D. A general contractor provides repair and maintenance services of
all types

A. An engineer is an expert at designing roofing systems

Explanation:

Specialization is focusing on a few or just one type of work. It is concreting in kind of work that one is most productive.  In specialization, an employee or individual engages in few activities and becomes an expert in that field. Specialization contrast with involving oneself in many activities and becoming an expert is none.

An engineer focusing on designing roofing systems is an example of specialization.  The engineer has become an expert in roofing systems as he spends a lot of time doing the same thing.

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