Izi zimagwiritsidwa ntchito pazinthu zotetezera madzi monga madenga, zipinda zapansi, makoma, zimbudzi, maiwe, ngalande, subways, mapanga, misewu, milatho, ndi zina zotero. Ndizinthu zopanda madzi zomwe zimagwiritsidwa ntchito mosiyanasiyana komanso ntchito zabwino kwambiri. Kumanga kotentha kotentha, kozizira. Ikhoza kugwiritsidwa ntchito osati m'madera ozizira kumpoto chakum'mawa ndi kumpoto chakumadzulo, komanso m'madera otentha ndi otentha akumwera. Monga kugwirizana kopanda kutayikira pakati pa maziko a uinjiniya ndi nyumbayo, ndiye chotchinga choyamba choletsa kutsekereza kwamadzi ntchito yonseyo ndipo imagwira ntchito yofunika kwambiri pantchito yonseyi.