If a factor in raising the productivity of labor is not used in the production process, it is referred to as a reserve for increasing labor productivity. Reserves are classified according to their association with a particular production process, an economic sector, or the national economy.
Definition. 1  Urinary catheterization is the insertion of a catheter into a patient's bladder. The catheter is used as a conduit to drain urine from the bladder into an attached bag or container.
Definition - Indwelling Catheters. A catheter is used for two common medical problems: urinary incontiinence (UI) and urinary retention. Transurethral indwelling catheterization or urinary catheterization is defined as passage of a catheter into the urinary bladder via the urethra (urethral catheter). Transurethral indwelling catheterization is also called urethral catheterization. In this site we only use the term urethral catheterization.