Twb tau lees paub rau nws qhov zoo tshaj plaws ntawm e-kua, Fabkis chaw tsim tshuaj paus V'ape tab tom pib ua thawj koom ruam tshiab: Txhawm rau muab cov vapers ntau yam ntawm nicotine ntsev yam tsis muaj benzoic acid. Thiab yog tias qhov kev sib tw s ...
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