... , renovation, restore, repair, and new floor applying, etc.2. On floor surfaces covering concrete, epoxy, stone, marble ... var aBigImageSrc = [ 'http://i00.i.aliimg.com/photo/v9/581160734_1/JS_550_dual_head_concrete_floor_polishing.jpg' , 'http://i00. ... JS_550_dual_head_concrete_floor_polishing.jpg' , 'http://i00.i.aliimg.com/photo/v9/581160734_6/JS_550_dual_head_concrete_floor_polishing.jpg' ]; var ...