After cooling, add molding đc sp opens. sp still stick on the mold of mortar ko.khi feet that need a system to push the sp.On the picture is the "push system used latch push" (most common)In addition: "push system used the tongue pushes" to push the sp has the nỏng and complex shape "push system used the tube push" to push the circular thin plate rotate or sp
đang được dịch, vui lòng đợi..