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.

摘废弃是人类为满足自身需，饼来自于油取油，果渣来自于水果取汁，鸡粪来自于规模化养鸡。