Uyomisa kanjani i isithando somlilo sokuhlola?

Uma isithando somlilo sokuhlola sisetshenziswa okokuqala noma sisetshenziswa futhi ngemva kwesikhathi eside sokungasebenzi, kufanele somiswe kuhhavini: vula umnyango kahhavini ngo-20℃200℃ amahora angu-4, bese uvala umnyango ngo-200℃ 600℃ amahora angu-4.