... ,ANTI-CORROSION 2.FIRE RESISTANCE 3.CONVENIENT TO WASH COAL 4.HIGH BEARING STRENGTH Sales Manager: DannyTEL ... left flame if it fire.C. Convenient to wash coal. The density of this grids between 0 ... on the water during washing coal, easy to be wash out.D. Good performance of anti-corrosion.E. Convenient ... is sofe relative, convenient to pack and cut out, easy to transport under mine and construction.F. ...