Gulu la GTPZ lodziyendetsa lodziyendetsa nokha ndi mtundu wa zida zonyamulira zama hydraulic.Amagwiritsidwa ntchito pamitundu yambiri yoyika mlengalenga, kukonza ndi kuyeretsa m'masiteshoni, mahotela, madoko, ma eyapoti, mabwalo amasewera ndi mabizinesi akulu, ndi zina zambiri.