Ubiala:Ejiri ya na imepụta roket, ogbunigwe, Radar, shells, ụgbọ mmiri na-ebugharị, robots na-eme mkpọtụ, na-akwọ ụgbọala, wdg.
Ubi owuwu: ciment ciment, duzie agba, mgbochi na-emegide ya, wdg;
Ugwu ọkụ eletrik:Akwukwo nso, efere kpo oku, na-eme ka ọ dị, agịga, wdg;
Ihe eji achọ ihe:Imepụta anwụrụ ọkụ na-eche nche, na-echebe mgbidi windo, wdg;
Ihe mkpuchi ọkụ na-acha odo odo na ihe nchekwa ọkụ: cound carbon na-emeghe na blọọgụ, ciber carbon mere ka seramis sie ike, wdg;
Udi ike ohuru:Ọgbọ ikuku, ihe ndị a na-ekwu okwu, electrodes maka mkpụrụ ndụ mmanụ, wdg.
Egwuregwu na ngwa ahịa:Club klọb, ihe na-akụ azụ, rackets, bandanton rackets, ogwe osisi, bygbọ mmiri, ụgbọ mmiri na-adọwa, wdg.
Plastics gbanwetụrụnylon (PA), polypropylene (PP), polycarbonate (pc), polytetrafoorooroorooroorooroorooroorooroorooorooroorooorooroorooroene (PTFE), PI) na ndị ọzọ;