Departmentalization is vital in the Zambian civil service. This is the only way that the government would be able to review performance of civil servants.

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Food service industry is very vey important. The worldwide food service industry makes millions of dollars every year. If there was no food service industry then tourists would be badly affected. Every country has a food service industry. So it is one of the most vital industries.

Men between the ages of 18 and 35 who were fit for military service and who were not in jobs vital to the war effort such as coal mining and emergancy service.

An agent's service is vital specially during lodgement of claim (death or maturity). During normal circumstances, after-sales service through out the year is necessary pre-condition, for which an agent is paid commission.