手扶梯偶有暫停使用的情形,為避免民眾誤闖,利用塑膠鏈串接告示牌不失為一個好方法。只要在手扶梯預留勾孔即可,塑膠鏈可搭配一些附件就能輕易扣在勾孔上。
To prevent passenger enter idle escalator, plastic chain could setup with a sign on the entrance of escalator. If the metal part has a fixed ring in advance, chains can easily connect with ring using some joint accessaries.
This application can be often found on Taipei metro system.