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	Waste Waste Waste has been defined as a moveable object with no direct use that is discarded permanently. There are many different kinds of waste, including solid, liquid, gaseous, hazardous, radioactive, and medical. Wastes can also be defined by generator, for example, municipal, commercial,... Read more
	nausea nausea sensation of discomfort, or queasiness, in the stomach. It may be caused by irritation of the stomach by food or drugs, unpleasant odors, overeating, fright, or psychological stress. It is usually relieved by vomiting. Nausea is frequently present during the early months of pregnancy, and it... Read more
	ventilation ventilation process of supplying fresh air to an enclosed space and removing from it air contaminated by odors, gases, or smoke. Proper ventilation requires also that there be a movement or circulation of the air within the space and that the temperature and humidity be maintained within a range... Read more
	deodorizer deodorizer or deodorant, substance used to absorb or eliminate offensive odors. Disinfectants such as hydrogen peroxide, chlorine, and chlorine compounds eliminate odors caused by microorganisms. Adsorbent deodorizers such as activated charcoal and silica gel remove odorous molecules by... Read more
	Theodore Rousseau Théodore Rousseau The French painter and draftsman Th Read more
	happening happening an artistic event of a theatrical nature, but usually improvised spontaneously without the framework of a plot. The term originated with the creation and performance in 1959 of Allan Kaprow's "18 Happenings in 6 Parts." This work emphasized various sorts of performances and... Read more
	butyric acid butyric acid or butanoic acid , CH 3 CH 2 CH 2 CO 2 H, viscous, foul-smelling, liquid carboxylic acid; m.p. about -5°C; b.p. 163.5°C. It is miscible with water, ethanol, and ether. It is a low molecular weight fatty acid that is present in butter as an ester of glycerol; the odor of... Read more
	Rubbing Alcohol RUBBING ALCOHOL Rubbing alcohol is known as isopropyl alcohol (C 3H 8O); it is one of the more useful of the commercial alcohols, included in hand lotions and many cosmetic items as well as in antifreeze or deicer products. A 70 percent solution has more germicidal properties than does Ethanol... Read more
	linseed oil linseed oil amber-colored, fatty oil extracted from the cotyledons and inner coats of the linseed. The raw oil extracted from the seeds by hydraulic pressure is pale in color and practically without taste or odor. When boiled or extracted by application of heat and pressure, it is darker and has a... Read more
	ambient ... Read more