The routing of water to open or closed areas where it is used for agricultural purposes.

The washing of a body cavity or surface by flowing water or solution for therapy or diagnosis.

Chemicals used mainly to disinfect root canals after pulpectomy and before obturation. The major ones are camphorated monochlorophenol, EDTA, formocresol, hydrogen peroxide, metacresylacetate, and sodium hypochlorite. Root canal irrigants include also rinsing solutions of distilled water, sodium chloride, etc.