scall

Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.

摘要废弃物是人类为满足自身需要的产物，如菜籽饼自油菜籽油，自水，鸡粪自规模化养鸡。