... slate, Limestone and stoneSP12-(Sintered, segment Edge protected) For concrete, bricks, Slate, sand lime stone,sandstone, marble, granite, ... and fire clay.SS21-(sintered, segment Edge) Concrete, Bricks, Ceramic, State, stone, ReinforcedConcrete, concrete paving and ... , Contrite, Slabs and concrete pavingT56-(Sintered, closed edge) Bricks, ceramic slate and reinforced concrete.LM15- ( laser, segment ...