Education in botany includes many specializations in areas such as the taxonomy, physiology and anatomy of plants and their processes.
Moist snuff is used by placing a pinch, dip, lipper, or quid, between the lower lip or cheek and gum. The nicotine in the snuff is absorbed through the tissues of the mouth. Moist snuff is also available in small, teabag-like pouches or sachets that can be placed between the cheek and gum.These are designed to be both âsmoke-freeâ and âspit-freeâ and are marketed as a discreet way to use tobacco.ome people believe that snus is a safe tobacco to use. Because itâs steam-heated rather than fermented (like American snuff and other forms of spitless tobacco), Swedish snus has fewer tobacco-specific nitrosamines (TSNAs) that are known to cause cancer. But there are other carcinogens in snus besides TSNAs.
Candle snuffers are instruments used to extinguish burning candles by smothering the flame with a small metal cup that is suspended from a long handle, and thus depriving it of oxygen. An older meaning refers to a scissor-like tool used to trim the wick of a candle.arious devices have been invented to hold candles, from simple tabletop candle holders to elaborate chandeliers. For a candle to burn, a heat source (commonly a naked flame) is used to light the candle's wick, which melts and vaporizes a small amount of fuel (the wax).