A cash register's drawer can only be opened by an instruction from the cash register except when using special keys, generally held by the owner and some employees (e.g. manager). This reduces the amount of contact most employees have with cash and other valuables.
Internal medicine or general medicine (in Commonwealth nations) is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists, or physicians (without a modifier) in Commonwealth nations. Internists are skilled in the management of patients who have undifferentiated or multi-system disease processes.
Summary: 1.When family medical practitioners deal with the comprehensive health of all individuals, internal medicine practitioners specialize in some category. 2.Internal medicine involves specialty treatment. It involves the diagnosis and treatment of serious diseases of a particular organ. 3.Family medicine is a division of the primary care that deals with the overall health of a family or individuals of all ages and sexes.