Isikhumbuzi esikrelekreleIthemometha yangaphakathi eva ubushushu ijonga umahluko wobushushu imini yonke.Xa iqondo lokushisa lifanelekile, libonisa i-24 ° ~ 30 °;xa iqondo lobushushu lisezantsi, libonisa 16° ~22°;xa iqondo lobushushu liphezulu kakhulu, libonisa 32°~38°.Ngokomboniso wethemometha, unokwandisa okanye unciphise impahla yakho ngexesha ukuze uhlale ukhululekile kwaye ushushu.