Examlex
The first objective in statistical process control is to eliminate assignable causes of variation in the process variable and then get the process in control. The next step is to reduce variation and get the measurements on the process variable within specification limits, the limits within which the measurements on usable items or services must fall.
Discoloration
A change in color of the skin or surface, often indicating an abnormal condition or damage.
Vacuum Tube
An electronic device consisting of a sealed glass or metal enclosure containing electrodes used to control electron flow for amplifying, switching, or modifying a signal.
Needle
A slender, sharp instrument typically made of metal, used for injecting substances into the body or withdrawing fluids from it.
Syringe Method
A technique involving a syringe for injecting substances into the body, withdrawing fluids, or applying suction.
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