On the back of the stone, reinforced. It is usually used in marble. The purpose is to protect the marble is not easy to break.Processing method is to cut marble, in the back cut a slot, you can put down the 6 thick steel bar. Then use the torch inside the water tank to dry, and then put the right long small reinforced inside, with marble glue firmly. Generally a 600 wide marble to put the two. Put a line.
Previous technology. 6 bars of steel, stone hanging above
Stone back muscle: because in the stone cutting into sheet, the thickness is very thin, very easy to break, in order to increase the stability to avoid damage or rupture in operation while adding reinforcement in the stone back slot, called the stone back muscle, the general use of steel 0.5 or 0.8 implants.
