Isicelo:
ukudlidliza & ukumuncwa kokushaqeka, ukuhlungwa komoya noketshezi, i-gasket & ukubekwa uphawu, ukudluliswa kokushisa & ukwahlukanisa. Ifanele i-petroleum, amakhemikhali, izimboni, imithi, imishini, ukwakhiwa kwemikhumbi, izimoto, izimboni zegandaganda ezifana ne-distillation, inqubo yokuhlunga, futhi isetshenziswe njengesihlungi somoya wemoto.Ingaphinde ikhishwe ukwenza imishini yokuhlunga.