✔ 最佳答案
Most consumers and small businesses are unaware of the toxic materials in electronic products they rely on for word processing, data management, and access to the Internet. In general, computer equipment is composed of a complicated assembly of more than 1,000 materials, many of which are highly toxic, such as heavy metals, chlorinated and brominated substances, toxic gases, biologically active materials, acids, plastics, and plastic additives.