Fashewar Shenhai-Hujja
Ƙunƙarar wuta ya haɗa da rabuwa da asalin fashewa daga iskar gas da ƙura masu yuwuwar fashewa.
Ɗauki motar da ke hana fashewa, misali. Yana alfahari da ƙimar kariya ta musamman. A yayin gajeriyar kewayawa ko gazawa, yana tabbatar da cewa ba a watsa tartsatsi ko zafi mai zafi zuwa yanayin waje ba.