Assertion: septic tank | /r/DefinedAs | primary sedimentation tank
Facets:
value: with large detention time
type: OTHER
Source sentences:
text: A septic tank can be defined as primary sedimentation tank with large detention time (12 to 36hrs against a period of 2hrs in an ordinary sedimentation tank).
text: Septic tank may be defined as primary sedimentation tank.