Mbiri Kaya ndi trunk line kapena metropolitan area network, mobisa chitoliro dzenje chuma ndi zothina kwambiri. Poyerekeza ndi zingwe wamba, kugwiritsa ntchito tingwe tating'ono towulutsidwa ndi mpweya kumatha kupulumutsa pafupifupi 50% za chuma mu mabowo mapaipi. Kapangidwe kamene kamakhala kachingwe kakang'ono kowulutsidwa ndi mpweya ndi chitoliro chapaipi-micro-pipe-micro-chingwe. Chitoliro cha mayi chikhoza kuikidwa mu dzenje la simenti, komanso kumanga njira zatsopano kungathenso kuchitidwa. Mu chubu cha makolo cha HDPE kapena PVC chomwe chayikidwa kale, kapena ikani chubu la makolo ndi kachubu kakang'ono panjira yongomangidwa kumene, akhoza kuwombedwa ndi chubu kapena kuwomberedwa...