on-site maintenance of en route to rescue trapped girl on October 20 in the afternoon around three o'clock, Mr. Chen rushed to a customer at home to help him do maintenance on the hearth. The area where the customer, found a 3, 4 years old little girl stuck in the residential gas pipeline and the wall cracks can not come out, small electrical proposal with cutting machine to pipe cutting and rescued the girl. Because taking into account the cutting of gas pipeline, it is dangerous, Mr. Chen quickly put an end to this party...