How We Contaminate Clean Rooms?
Of the many potential sources of contamination in cleanrooms and other clean manufacturing environments, none is more persistent, pervasive or pernicious than the human beings who occupy them.
There are many possible sources of contamination of the cleanroom environment. Equipment, structures, and surfaces can generate particles through friction, heat, exhaust, outgassing, and static electricity. Incoming production components may introduce contaminants. Still, it is the people working in the cleanroom that generate the most particles. Of the many elements of cleanroom operations and processes, humans are the easiest to control, yet contribute the most contamination.
Click here
http://www.askaboutvalidation.com/how-we-contaminate-clean-rooms/
to read entire article