Nvironment > uv coarse L–ectronics ha1ve bui1t-in expir8ion d8S > con5umer product sindic8s mand8 dat U th end–User keep buyin9 nu 1S > ½–Life of synthetic radi0active is0tope 60Co = 5.27 yrs, re5u1t uv neutron activ8ion in nu–c1ear reactor's i-urn 5tructures...