大学英语作文:塑料的角色 The role of plastics

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The role of plastics塑料的角色The unhygienic use and disposal of plastics and its effects on human health has become a matter of concern.Colored plastics are harmful as their pigment contains heavy metals that are highly toxic.Some of the harmful metals found in plastics are copper, lead, chromium, cobalt, selenium, and cadmium.In most industrialized countries, colored plastics have been legally banned.In India, the government of Himachal Pradesh has banned the use of plastics and so has district.Other states should emulate their example.在人类的健康方面的塑料不保健的使用和处理和它的效果已经变得关心的一个物质。当他们的色素包含高度有毒的重金属的时候 , 彩塑料是有害的。一些在塑料中被发现的有害金属是铜，领引，铬，钴，硒和镉。在大部分方面使塑料已经被法律上禁止的国家，彩色工业化了。在印度， Himachal Pradesh 的政府已经禁止塑料的使用并且如此有 Ladakh 区域。其他的州应该效法他们的例子。Preventive measures预防的措施Proper methods of waste disposal have to be undertaken to ensure that it does not affect the environment around the area or cause health hazards to the people living there.At the household-level proper segregation of waste has to be done and it should be ensured that all organic matter is kept aside for composting, which is undoubtedly the best method for the correct disposal of this segment of the waste.In fact, the organic part of the waste that is generated decomposes more easily, attracts insects and causes disease.Organic waste can be composted and then used as a fertilizer.废弃的处理适当的方法必须被接手确定它在区域的周围不影响环境或对人引起健康危险活的在那里。在家庭- 水平，废物的适当种族隔离必须被做，而且它应该被确定所有的有机物质被保持旁白因为施堆肥, 无疑地是废物的这一个片段的正确处理的最好方法。事实上，被产生的废物有机的部份更容易分解,吸引昆虫而且引起。有机的废物可能被施堆肥并且然后被用如肥料。