China Wooden Articles manufacturers Wooden eraser can touch water. The eraser is cleaner after the water, because the wet wooden eraser will suck away the residual chalk print. 聽 How to clean up the blackboard? 1, sometimes wipe is not clean because the eraser is too dirty, there is a lot of dust above, wipe the blackboard while wiping the side will raise more dust, change a clean eraser or clean the original eraser is good. 2, after wiping the chalk, wipe it with a clean wet towel. If it is not clean, rub it with the towel for the second time. Generally, the water of the wet cloth will absorb the residual chalk print. 3. After wiping it with a towel, knead it with an old newspaper, and wipe it on the dry blackboard until the water can be dried. 4, choose water-based chalk and special chalk brush, this water-based chalk dust-free non-toxic, pinch in the hands like ordinary crayon feel, because it does not produce dust, so the blackboard will be very clean, but pay attention to the ordinary eraser is not able to wipe clean, to use special chalk brush. This water chalk is now used in many classrooms equipped with electronic and multimedia blackboards. 聽聽聽China Wooden Articles manufacturers website:http://www.hezehuaxing.com/wooden-decoration/wooden-articles/