Zogulitsa za Diwei ndizotsimikizika kuti zidutse zoyeserera zotchulidwa pamwambapa ndikuyesa mayeso ogulitsa musanapereke zogulitsa kwa ogwiritsa ntchito padziko lonse lapansi, motero kuvomerezedwa ndi kukhulupirika. Kuphatikiza pa kuyesedwa kwa kampaniyo, taperekanso chidanista angapo kuchokera ku mabungwe oyeserera oyeserera, monga CE, IL, FCC, Tuv, Ek, Rohs.