It says that 99% of the circuit can be dissolved in household chemicals like vinegar or by ordinary soil composting. The team developed a ‘growth and transfer additive manufacturing process’, which replaces copper with zinc for circuitry ... ... .
EU Directives RoHS and WEEE... The first directive aimed at financing and ensuring the collection of end-of-life electrical and electronic equipment came into force on February 13, 2003 (WEEE Directive2002/96/EC).
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