If a leak develops in a customer system, close the cylinder valve and vent residual product, and purge the lines with inert gas before attempting repairs. Use appropriate protective equipment (SCBA).

• 如果在用户的系统里发生了泄露，关闭阀门并排出残余产品。在试图修理之前，用惰性气体净化管道。使用合适的防护装备（SCBA）。