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Smokeless tobacco products, such as gutka, pan masala, snuff, khaini, and betel quid are also unsafe as spitting is involved, which elevates the chances of virus transmission

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Test Methods for Evaluating Solid Waste, Physical/Chemical Methods SW846 Methods (1986)]**PEER REVIEWED** Sampling Procedures: Activated charcoal, Ambersorb XE-348, and Amberlites XAD-2, XAD-4, and XAD-7 were evaluated as solid adsorbents for work-room air sampling of acetone, methyl ethyl ketone, methyl isobutyl ketone, methyl n-butyl ketone, cyclohexanone and isophorone

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