Shei plastik siri ike dị elu, ọkụ, dịgidere;
Mkpuchi akụkụ nke mbughari, dị mfe maka mmezi;
Mkpọchi mgbasawanye nke ime ime, mara mma ma kwụsie ike;
Kwesịrị ekwesị maka ogwe aka Φ17-Φ19;
Teflon elu okpomọkụ na-eguzogide waya, adabara dị iche iche gburugburu;
EMC ndakọrịta elektrọnik, ọrụ a pụrụ ịdabere na ya na gburugburu elektrọn.
