[Floors in animal housing].
D000822:Animal Husbandry; D000818:Animals; D005160:Facility Design and Construction; D005430:Floors and Floorcoverings; D006799:Housing, Animal; D006838:Hydrocarbons
D006838:Hydrocarbons; C006647:asphalt
O polakh v zhivotnovodzheskikh pomeshcheniiakh.