Mmepụta nke ihe osise oyi na-atụ petroleum cracking tube nwere ike ịbụ oyi-atụgharị, oyi na-atụ, ihe oyi na-atụ, mmepụta ngwakọta oyi.Iji usoro ịbịaru, ngwá ọrụ dị mfe, ntinye ego dị ala, ọrụ dị mfe na nhazi na ihe ndị ọzọ.Ma ihe ndọghachi azụ bụ nzọụkwụ etiti nke ọtụtụ, ọnụ ọgụgụ osisi.Iji usoro ngwa oyi na-eme ihe dị mgbagwoju anya, yana ntinye ego ọzọ, ma ọ nwere ike belata usoro nke etiti, meziwanye mkpụrụ, nha ngwaahịa nchara dị elu, na nhazi elu, karịsịa maka nkenke nke ọma na-enweghị ihe ọ bụla na nke dị oke mkpa.

N'ihi adịghị ike igwe ihe mpịakọta gafere site na ọnụ ọgụgụ na-eri nke okokụre ngwaahịa nkọwa enweghị ike ịbụ nke ukwuu;oyi-akpọrela na oyi adọta nkwonkwo mmepụta usoro na-emepụta okokụre ngwaahịa, na ezi mma ígwè nhazi okirikiri oge dị mkpụmkpụ, belata intermediate degreasing, okpomọkụ ọgwụgwọ, ike gwụrụ, Jiao ogologo Filiks, na-azọpụta ike, ibelata metal oriri, obere akụrụngwa nkọwa na ya mere na.Ọkpụkpọ mgbawa mmanụ nwere ike ịbụ oyi na-adọta pickling acid, hydrochloric acid, agwakọta acid, hydrofluoric acid na ihe ndị yiri ya.Carbon ígwè na alloy enweghị nkebi nchara dabara sulfuric acid, elu mma carbon structural ígwè na alloy ígwè enweghị nkebi nkenke kwesịrị hydrochloric acid.