Land-based pollution: garbage clean-up has become an important issue of the major cities, and 1000 tons of garbage a day, better is not incinerated or corruption, such as plastics, rubber, glass, aluminum and other waste, they became the first urban health enemy no.

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Land pollution: The trash cleaning up each big city important question, in daily thousands of ton trash, many has not been able to cremate or the putrefication, like wastes and so on plastic, rubber, glass, aluminum, they have become the city health first enemy.

Land pollution: spam cleanup into important issues in major cities, in tens of millions of tons of waste per day, many are not incinerated or corruption, such as plastic, rubber, glass, aluminum and other waste, they became the number one enemy of the urban health.