My industry, industrial parts cleaning, hasn't until recently been able to offer its participants high-quality, noncommercial, technical-based literature. I would offer three reasons for this:(1) Until the CFC phaseout was complete, no literature was needed. One simply immersed parts in "Freon" or "1,1,1" and the parts cleaned and dried themselves (2) Since then, aqueous cleaning technology has become as much art as science (3) Those willing to take the time to produce valuable literature usually have a commercial interest in the subject being discussed.
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