Electronic cigarettes, commonly known as vapes, have become a device used by some members of society as an alternative to ...
6 个月
HowStuffWorks on MSNWhat Is Glycerol? 6 Uses for the Wonder CompoundGlycerol is useful as a food additive ... but it's largely been replaced by other methanol and ethylene glycol, which don't ...
Vape liquid contains propylene glycol, glycerol, and often nicotine, flavors, and other additives. When heated it can produce ...
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