We leave all kinds of junk together without separation. Make waste that can be reused. (Reuse), and waste that can be recycled (Recycle) is leaving to join wet waste and may not be reused again. Chemical packaging, they can inject drugs, mosquito. Their bulbs, which have a chemical plaster. Battery These are harmful to environment lommak. If we remove them, combined with other waste without separation. The chemicals are flowing into the ground. Or if it is side. Process of digestion, it will cause a toxic gas floating up in the air.