Because the group home have a older printer that is idle, then if left it will become biodegradable waste. Can cause environmental pollution, which is caused by the waste electronic waste? Biodegradable, which is very difficult, and some devices do not also lose all benefits adapted again. Group do materials cause the benefit in the form of an oxygen, water to help reduce the problem, thus causing the science category. Artifacts. Oxygen concentrator in water by a simple concept of environmental conservation.
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