Thumba la fumbi la fumbi ndi chipangizo chomwe chimagwiritsidwa ntchito kusefa fumbi, ntchito yake yaikulu ndikugwira tinthu tating'onoting'ono ta fumbi mumlengalenga, kuti tiyike pamwamba pa thumba la fyuluta, ndikusunga mpweya wabwino. Matumba osefera fumbi amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, monga simenti, zitsulo, mankhwala, migodi, nyumba ...
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