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.
Internal medicine is a medical specialty which focuses on the diagnosis, treatment, and prevention of nonsurgical conditions in adults.This specialty has a number of subspecialties ranging from nephrology, the study of the kidneys, to immunology, the study of allergies and immune system disorders.nternists employ a variety of diagnostic techniques. Doctors specializing in internal medicine focus on nonsurgical conditions in adults. Some areas of internal medicine include cardiology, endocrinology and oncology. An immunology specialist is an internal medicine doctor who diagnoses and treats allergies.