| http://www.w3.org/ns/prov#value | - Older gadgets often contain poisonous chemicals such as dioxins or PCBs, or heavy metals such as mercury or cadmium, which are hazardous if dumped on landfill sites.Since 2005, the Waste Electrical and Electronic Equipment (WEEE) Directive requires electronics companies to set up recycling and disposal schemes for their products.
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