What's more, delivery services are creating too much packaging waste, and this will be harmful to the environment.

而且，送货服务产生太多的包装垃圾，这会对环境有害。

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The constituents of charring waste water are very complicated, which is greatly harmful to the environment and is difficult to deal with.

焦化废水成分复杂、多变，对环境有较大危害，是一种很难处理的工业废水，已经引起了国内外学者广泛关注。

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During offshore drilling operation, a lot of wastes are produced, such as polluted water, gas, solid waste and harmful noise, which damage to the environment around the drilling operation area.

在海上钻井的生产过程中会产生大量的固体废弃物、废水、废气及噪声污染，将对作业海域造成一定的危害。

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