Sanitation is the hygienic means of preventing human contact from the hazards of wastes to promote health.
Hazards can be either physical, microbiological, biological or chemical agents of disease. Wastes that can cause health problems are human and animal feces, solid wastes, domestic wastewater (sewage, sullage, greywater), industrial wastes, and agricultural wastes and now appliances in disuse; wastes like cars, computers,household appliances, electronic appliances like bulbs, regulators etc.
Hygienic; means of prevention can be by using engineering solutions (e.g. sewerage and wastewater treatment), simple technologies (e.g.latrines, septic tanks), or even by personal hygiene practices (e.g. simple handwashing with soap).
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