2.You kraisorn brought an accident outside to let employees know about gas leak, shop noodles, a gas leak. Sales people and customers eat noodles in the shop. Just because don't know how chaos fire caused by a gas leak.The trained here when the went to help close the valve for gas fire, the situation is calm. From such an event is the situation we can just used a case example. When experiencing the can manage the extinguish
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