Umnyango ongashi kanye nohlaka lomnyango kuzogcwaliswa ngezinto ezingashi. Ilokhi engashi, ihinge, ibhawodi nokunye ukufakwa kwehadiwe okufakwe emnyango womnyango ongashi kuyodlula ukutholwa komnyango kazwelonke womlilo, futhi izinga lokushisa elincibilikayo lizofinyelela ngaphezu kuka-950 ℃.