近日，英国一名有心脏问题的男孩在林肯市一家超市乘坐电扶梯时，被电扶梯扶手产生的静电吓到，男孩当场引发胸痛、心跳加快和过度疲劳的症状，之后恢复正常。事后，这家超市在电扶梯旁树立告示，提醒乘客注意电扶梯扶手可能产生的静电。

ESCALATOR SHOCK

　　According to This is Lincolnshire, a teenage boy with a heart condition was recently shocked by the handrail of an escalator he was riding in a supermarket in Lincoln, U.K. The boy suffered chest pains, a rapid heartbeat and severe tiredness, but has since fully recovered. The store has placed signs near the escalator to inform passengers concerned about static electricity.