1) Kichujio cha hewa cha injini, kichungi cha hewa cha kabati, kichungi cha mafuta, kichungi cha mafuta, kichungi cha usambazaji, nk. 2) Kichujio cha lori, Kitenganishi cha Maji ya Mafuta, Kichujio cha Pikipiki n.k. 3) Kichujio cha mashine za ujenzi, kichungi cha mashine za kilimo, n.k. 4) Plug ya S......
Soma zaidi