A na-ekwe nkwa ngwaahịa DIWI na-agabiga ule nke ae kwuru n'elu ma rụchaa nyocha ngwaahịa dị elu tupu ịhapụ ngwaahịa ndị dị n'ụwa niile, si otú a nweta nkwenye na ntụkwasị obi. Na mgbakwunye na nnwale ụlọ ọrụ ahụ, anyị agafeela usoro asambodo sitere na ụlọ ọrụ nyocha ikike ikike, ISO, FCC, TUV, Ek, Rohs.