Keep paints, used oil, cleaning solvents, pool chemicals, and other dangerous household chemicals out of drains, sinks, and toilets because many of these products contain harmful substances.

把油漆，油，清洗溶剂，游泳池化学品和其他危险化学品，家用的排水管，水槽，和厕所，因为这些产品中含有的有害物质。