1 带来landfill: outdated devices, discarded chemicals, plastic packaging;


      2 带来out of work: automation contribute to out of work; the development of computers and transistors and the accompanying trend toward miniaturization;


      3 好处:telecomuniting: because of the side effect relatively inferior, improve productivity, develop quantity management, reduce labor resourcefulness;


      4 坏处:automobile exhausts, pesticides such as DDT threaten the food chain, mineral wast

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