Providing washing and laundry facilities near the water points reduces the need to transport water. Box 9.1. Minimum provision of domestic water containers Two vessels 10-20L for collecting water plus one 20L vessel for water storage, (narrow necks and covers) per 5 person household.
GEOGRAPHIC TONGUE. Definition. Geographic tongue is a fairly common, usually painless inflammatory disorder that affects. mainly the dorsum of the tongue. The pattern of the lesions give the surface of the tongue. the appearance of a map, hence the term Â«geographicÂ». Since the first description in 1831,
The name comes from the map-like appearance of the tongue, with the patches resembling the islands of an archipelago. The cause is unknown, but the condition is entirely benign (importantly, it does not represent oral cancer), and there is no curative treatment. Uncommonly, geographic tongue may cause a burning sensation on the tongue, for which various treatments have been described with little formal evidence of efficacy.