2.\tShould wear protective gloves before welding, to prevent scalds!
3.\tBefore the first time using a mould (or use the mould again after cooling), need drying the mould to make its internal moisture dried.
4.\tBefore welding, need to clean and dry the materials for welding to remove its surface dirt, oxide layer and moisture.
5.\tTo prevent mould damage, the part of welding material that place into the mould cavity must be straight, after using mould to clamp it tightly, no outer stress between the mould and welding material was allowed.
6.\tWhen ignite fire powder, the operator must stand on the side of the mould outlet, while no people or inflammable materials exist within 5 meters in the direction of the mould outlet.
7.\tEach time after welding is completed (or prior to welding) the mould need a thorough clean up, each cavity inside of the mould shall be clean well, to sure the quality of welding will not affected by slag accumulation.