This is a purchase used for hoisting and consists of two single blocks with the standing part of the fall made fast near, or to, the upper block, and it cannot be rove to advantage.
Le yintengiso esetyenziswa ekunyuseni oluxubene nezimbini kwisinye sovingco kwindawo yokuma ekuluwo elwenziwe ngokukhawuleza kufutshane okanye uvingco oluphezulu.kwaye ayinakubhadulela kuncedo