Manhole Covers ana kera su ne don yin gini da amfanin jama'a.Hol ɗin da ya ƙunshi firam da murfin da /ko grating.Rufin rijiyar zai iya kare lafiyar masu tafiya a ƙasa da ababen hawa, kuma yana iya hana ruwan sama da sauran ruwa shiga.Rufin manhole zai zama santsi kuma ba shi da ramukan yashi, busa ramuka, murdiya ko wata lahani.
Rufi: Baƙar bitumen Kowane izini na mutum yana iyakance zuwa iyakar 3mm
Darasi: AA1900KN, AA2 600KN, A1 400KN, A2 230KN, B 125KN, C30KN
Cast Iron Man Man Mai Interceptor C/W mai nauyi mai nauyi, Aljihu mai Maɓalli & Madaidaicin Aluminum.