Chitsulo cha jack chingakhale cholimba kapena chopanda kanthu, pamwamba pake pamakhala galvanized yokha. Chimagwiritsidwa ntchito pokhazikitsa dongosolo lonse ndipo chimatsimikizira kuti miyezo yonse ya scaffolding ili pamalo ofanana, komanso imatha kufalitsa katundu wa miyezo. Chotsulo cha U-head, Chimagwiritsidwa ntchito kwambiri m'malo ambiri, chotsulo cha jack ichi chimasinthasintha kwambiri, chimawonjezera pamwamba pa galvanized. Timagwira ntchito yokonza formwork ndi scaffolding kwa zaka zambiri. Tikhoza kukupatsani mtengo wabwino kwambiri pokwaniritsa zosowa zanu ndi zomwe mukufuna. Tikuyembekezera kumva kuchokera kwa inu, chonde musazengereze kutilankhulana nafe kuti mudziwe zambiri.
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