Process Capability :   CARE & HANDLING OF INSTRUMENTS:- Concerning your question on why staining, pitting or rusting can develop in Stainless Steel Instruments; There are some basic points for the Care and handling of Surgical instruments which will extend the life of the instruments, eliminate staining or corrosion and lower the cost in use. These are as follows:- Instruments should be rinsed as soon as possible after use to remove blood, serum and saline, Do not use a sponge basin as any residue from normal saline solution can cause corrosion to develop over a period of time. Instruments should be thoroughly dried after cleaning and before wrapping or storing, as moisture left in the box lock or serrations can cause rust or corrosion to develop. Do not leave instruments in a cold sterilization soak so