3.1、to have toto usein accordance withSafeprincipleofOxygen、Acetylene，school assignmentlocationto strictly prohibitto smoke。 3.2、to strictly prohibitrightOxygen、Acetyleneto pound、to collide，both of themneedto separateto deposit，distancenot less than8Meters。 industryneedAdoptto shield from the sunmeasure，useaftershouldSpecialto depositdepot。 1、inspectiongas cylinderwhether or notintact，valvewhether or notregular。 2、inspectionto reduce pressure、pressure、gaspipewhether or notregular。 3、inspectionto temperto installwhether or notintact。 to raiseto workefficiency。 ，notto leak air or gas。 inspectionwhether or notto leak air or gas，usesoapy water，to strictly prohibitto useflame。 3.5、gas cylinder、to reduce pressure、gaspipe、onto strictly prohibitto pollutegrease。