Monga opanga ma galvanized light pole, tili ndi zaka zambiri zogwira ntchito popanga zinthu, ndalama zopitilira muukadaulo wapamwamba ndi njira, zinthu zokhazikika, kuyesa mwamphamvu, komanso kutsimikizira mtundu, ndipo tadzipereka kupereka mayankho omwe amaposa zomwe timayembekezera.