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.
Doctors of internal medicine, commonly known as internists, treat and diagnose a variety of illnesses and conditions of the body's major organ systems.General internal medicine is considered a primary care specialty, and internists can serve as the main medical caregiver to almost any patient.There are also 16 board-certifiable subspecialties within internal medicine, making it one of the broadest fields of non-surgical medicine.eneral internal medicine is considered a primary care specialty, and internists can serve as the main medical caregiver to almost any patient. There are also 16 board-certifiable subspecialties within internal medicine, making it one of the broadest fields of non-surgical medicine.