13.-0326. Constant vacuum system.

Watsan matters
13.-0325. Consolidated.
13.-0324. Consolidated sediment.
13.-0323. Conservation tillage.
13.-0322. Conservation agriculture.
13.-0321. Connate water.
13.-0320. Conjunctive use.
13.-0319. Confining bed.
13.-0318. Confined aquifer.
13.-0317. Condominial sewer.
13.-0316. Condensation.
13.-0315. Concrete ring.
13.-0314. Concentrated urine.
13.-0313. Compressor.
13.-0312. Composting.
13.-0311. Composting toilet.
13.-0310. Composting pit.
13.-0309. Composting chamber.
13.-0308. Compost.
13.-0307. Compost pile.
13.-0306. Compost filter.
13.-0305. Completely autotrophic nitrogen removal over nitrite.
13.-0304. Compact constructed wetland.
13.-0303. Community Led Total Sanitation - CLTS.
13.-0302. Community water supply.
13.-0301. Community Health Clubs - CHC.
13.-0300. Community engagement.
13.-0299. Community distribution systems.
13.-0298. Community-based organisation - ( CBO ).
13.-0297. Communicative disease.