Oxygen bottles and acetylene bottles should be kept at a distance of 10 meters from the hot spot during construction work. The distance between the oxygen bottle and the acetylene bottle should be kept at 5 meters or more. The length of the primary wire (ground wire) of the welding machine should be

325/5000 Why is it that oxygen cylinders, especially the bottles, can't infect and touch the oil? Because of grease, especially contain not plump fat and acid fat, very simple gasification exorcise. Oil gauze head, oil cloth because can help combustion is because in the atmosphere the attack oxidiz