1.Used hand press zipper profiles let seal,
2.Used sealing,tape and clamp set closed.
3.Used aspiration column let film cover to be vacuum
4.colse flexible tube valve ,let all leakage film be vaccume
If gas leakage,In flexible tube Leak Detection will test gas pressure not vacuum,then will shut down the gas control valve.Stop,so gas will be not continued leakage,then let workers repair pipeline.