Na'urar dumama bututun na'ura ce ta tanadin makamashi wanda ke fara dumama matsakaicin dumama.Ana shigar da shi kafin kayan aikin dumama don yin zafi kai tsaye, ta yadda zai iya zagayawa dumama a yanayin zafi mai zafi, kuma a karshe ya cimma manufar ceton makamashi.Ana amfani da shi sosai wajen dumama man fetur kamar mai nauyi, kwalta, da mai mai tsabta.