13.-0206. Capacity.

Watsan matters
13.-0205. Canzee pump.
13.-0204. Candle filter.
13.-0203. Calcium hypochlorite (Ca(ClO)2).
13.-0202. Calcination Kiln.
13.-0201. Caissons.
13.-0200. Caizonic ( also Cenozoic ).
13.-0199. C-N ratio - Carbon to Nitrogen ratio.
13.-0198. Buoyancy.
13.-0197. Bund.
13.-0196. Brownwater.
13.-0195. Brownfield.
13.-0194. Brook.
13.-0193. Brine.
13.-0192. Breeding site or grounds.
13.-0191. Brackish water.
13.-0190. Brackish water - Seawater.
13.-0189. Brackish water ( or Briny water ).
13.-0188. Bowl.
13.-0187. Bowl efficiency.
13.-0186. Boundary kit.
13.-0185. Bottle water.
13.-0184. Bottle irrigation.
13.-0183. Borehole.
13.-0182. Borehole latrine.
13.-0181. Border irrigation.
13.-0180. Booster pump.
13.-0179. Bone char.
13.-0178. Boiling.
13.-0177. Boiler feed water.