An sanya murfin mutum a saman tankar mai. Shine shigarwar ciki na ciki, duba dawo da tururin da kiyaye tankar. Zai iya kare tankar daga gaggawa.
A yadda aka saba, bawul ɗin numfashi a rufe yake. Koyaya, lokacin lodawa da sauke mai da zazzabi na waje, da matsi na tankar zai canza kamar matsi na iska da matsin yanayi. Bawul ɗin numfashi na iya buɗewa ta atomatik a wani matsi na iska da matsin lamba don yin matsin tankin cikin yanayin al'ada. Idan akwai gaggawa kamar juyawa akan halin da ake ciki, zai rufe ta atomatik kuma shi ma yana iya guje wa fashewar tankar tankin yayin wuta. Yayinda bawul ɗin gajiyar gaggawa zai buɗe ta atomatik lokacin da matsawar motar tanki ta ƙaruwa zuwa wani yanki.