2. The welding machine when not in use, shall not be placed directly on the HDPE membrane surface, should be placed in the bracket or sandbags on the belt
3. In addition to hot air welding, the mouth of the hot air equipment in any case shall not be in contact with the surface of the HDPE membrane and as far as possible away from the membrane surface of the human body, machinery and other objects.
3. In addition to hot air welding, the mouth of the hot air equipment in any case shall not be in contact with the surface of the HDPE membrane and as far as possible away from the membrane surface of the human body, machinery and other objects.