Iphampu kaphethiloli 294000-2690 ilungele ukuthutha amafutha ahlukahlukene, njengamafutha anzima, udizili, namafutha okugcoba. Ifakwe amagiya ethusi, ingathwala uketshezi lwangaphakathi oluphansi, olufana nophethiloli, benzene, njll., futhi inokusetshenziswa okuhlukahlukene.