No.1 Cold air cooling of test tubes

This video is a demonstration of infrared visualization in which cooled a test tube with the Air Blow Cooler.
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No.3 Cold air cooling of PET sheet No.2 Cold air cooling of PETE sheet No.4 Cold air cooling of Polycarbonate plate No.5 Cold air cooling of PE cap No.4 Test tube cooling No.26 Cold resistance test of color filter No.16 Electronic component cooling test Heat resistance test of hot water cutting holes in the cup chow mein