Kamar yadda yanayin zafi ya fi girma a lokacin rani, don haka muna buƙatar saka bututun PVC a ciki.
Idan muhallin bai ba da damar ajiya na cikin gida ba, dole ne ya buɗe buhun robobin kuma a yi amfani da zane don rufe bututun don guje wa lalacewar bututun.