In a Shenzhen vape factory, workers test up to 10,000 vapes daily by puffing on them to ensure quality and functionality. This process was revealed in a documentary by the YouTube channel Machina, UTEST ALL IN ONE 3 PANEL TEST KIT Radical Vape Shop How to Pass a Nicotine Test if You Vape? Eliquidstop 7 Major Tests for a Successful Product on the Vaping Market Worker at a disposable vape factory tests up to 10,000 vapes a day : r interestingasfuck