It's short for Infrared Radiation. Invisible electromagnetic radiation with wavelengths that are within the range of 0.70 to 1000 micrometers. This region is often divided into IR - A, IR - B and IR - C.
01:13, 23 November 2012
vertical long arrow of the engine
MSDS: Material safety data sheet (MSDS) is a form ...
A cleaning device that uses suction to hold itself onto a ...
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