Akụrụngwa na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ n'otu ọnọdụ okpomọkụ n'okpuru ọnọdụ ikuku na-eme ka ọ ghọọ ngwaahịa dị ka coke, coal gas na coal tar.
Akụkụ gwongworo ndị a na-edochi anya ugboro ugboro gụnyere injin, chassis, taya, breeki, ihe nzacha ikuku, wdg.
Isi ojiji nke ezé ịwụ gụnyere ichebe agụba, ibelata nguzogide, melite arụmọrụ ọrụ yana ibelata oriri mmanụ.
Mgbe ịzụrụ gwongworo akụkụ, jide n'aka na-na-àmà nke zuo, dị ka invoices, receipts, wdg. Nke a ga-enyere gị soro zuo ndekọ na mmezi akụkọ ihe mere eme mgbe mkpa.
Akụrụngwa coking na-ezo aka n'usoro akụrụngwa eji eme carbonization na coking nke organic okwu, tumadi eji na coal distillation na ihe fọdụrụ mmanụ coking usoro na mmanụ ụgbọala nhazi.
Ụgbọ ala ọ bụla nwere akwụkwọ ntuziaka na-arụ ọrụ kwekọrọ, nke nwere okirikiri nnọchi na usoro nke akụkụ ọ bụla. Ị nwere ike ịhụ ozi a na webụsaịtị ụgbọ ala ma ọ bụ akwụkwọ ntuziaka na-arụzi ụgbọ ala.