Ukumelana nobushushu obuphezulu: Ezinye iimveliso zipakishwe kubushushu obuphezulu, okanye zifuna inzala yobushushu obuphezulu emva kokupakishwa. Ngeli xesha, ifilimu yokutywina kunye nomphathiswa kufuneka abe neempawu zokumelana nokushisa okuphezulu, kwaye ubushushu obuphezulu ngu <135℃.