Vutoli nthawi zambiri limayamba chifukwa cha nyengo yotentha kwambiri, kuzizira kwambiri komwe sikuchotsa bwino kutentha kapena kusakhala ndi kuzizira kokwanira.
Zodzoladzola zodzipangira zokha zilibe vuto la kuziziritsa kokwanira.
Kawirikawiri, chitoliro cha kutentha chimakhala chodetsedwa kwambiri ndipo mpweya wabwino si wabwino, zomwe zimayambitsa alamu. Zozizira zazing'ono nthawi zambiri sizikhala ndi mphamvu yozizirira yokwanira.
Mutha kuwonjezera kusiyana kwa kutentha ndikuwonjezera kutentha kwa alamu molingana ndi kuthetsa vutoli.