America Fence okwethutyana

Ucingo oluqhelekileyo lwase-US lolwakhiwo lwexeshana luyimodyuli, isithintelo sesinyithi esishenxiswayo esisetyenziswa kwilizwe liphela eUnited States. Idibana nemigangatho yemathiriyeli ye-ASTM kwaye yenzelwe ukumelana neemeko zemozulu ezintsonkothileyo kulo lonke elaseMelika, njengokutshiza ityuwa elunxwemeni, ukuba sesichengeni sobushushu obuphezulu eMzantsi, kunye nemimoya ebhudla ngamandla kunye nekhephu kuMbindi-ntshona. Isetyenziswa ngokubanzi kwiindawo zokwakha