Glycerin Duration On Flooring Materials using Dunstan’s Test

From 2018, 9% of adults have said they occasionally vape, and from 2019 around 27.5% of high school students use vape products, both groups in the U.S. According to the FDA, 1 million youth e-cigarette users use it daily, giving an idea of how common vaping is. Tam’s OCSEF project sought to inquire about the …