Preparation before operation of mofuta oa lebokose la sebōpi sa motlakase

First check whether there is anything or other conductive materials in the control box of the box-type electric furnace. If there are any forgotten workpieces in the furnace, remove them in time; after closing, check whether the electrical switch contacts are normal; then check whether the temperature control surface operation is normal, and turn it on Its switch makes it in working condition.