Some factories stop waste water from running into rivers.

一些工厂阻止废水流入河流。

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But he said steps must be taken to stop waste and abuse in the system.

VOA: standard.2009.07.28

The county council said the plant was needed to stop waste going to landfill.

BBC: Council battle King's Lynn incinerator plan

You can improve building management to stop waste, sign up higher-paying tenants and renovate to attract more of them.

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The cabinet awarded the contract on 7 March, stating that the plant was needed to stop waste going to landfill and to generate energy.

BBC: King's Lynn incinerator plan to be examined