Background Ebang ke trunk line kapa marangrang a sebaka sa metropolitan, lisebelisoa tsa lesoba la liphaephe tse ka tlas'a lefatše li thata haholo. Ha ho bapisoa le likhoele tse tloaelehileng, tšebeliso ea lithapo tse nyane tse butsoetsoeng ke moea li ka pholosa hoo e ka bang 50% ea lisebelisoa tse ka mekoting ea liphaephe. Sebopeho se tloaelehileng sa tsamaiso ea micro-cable e tsamaisoang ke moea ke pipe ea 'mè-micro-pipe-micro-cable. Pipe ea 'm'e e ka kenngoa lesobeng la phala ea konkreite, le kaho e ncha ea litsela le eona e ka etsoa. Ka har'a tube e seng e behiloe ea HDPE kapa PVC ea motsoali, kapa u behe pele tšupu ea motsoali le micro-tube tseleng e ncha e hahuoang ea optical cable, e ka fefoletsoa ka phaephe kapa ea butsoetsoa...