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Principle: Sense infrared radiation and capture human activity A PIR (Passive Infrared) sensor is a...
Vinyl chloride (C₂H₃Cl) is a colorless, flammable, slightly sweet-smelling gas of vital industrial...
In addition to drunk driving inspections, many production, operation, and construction sites have ...
HVAC systems are commonly found in places like office buildings, shopping malls, cinemas, stadiums,...
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