| http://www.w3.org/ns/prov#value | - The leading harmful element in plastics is fire retardant, which is hazardous to the central nervous system if ingested, or if it comes in contact with human life through the environment, through the ground or water supply.Why are old cell phones an environmental concern?Old cell phones, again, like other types of electronics, contain trace amounts of lead, arsenic, and other harmful elements that
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