According to ZXL-pedia:
To avoid escalator trolley accidents, airports and supermarkets employ any of the following means:
- Trolleys with automatic brakes that stops the cart once the handle is released
- Strong magnets on the escalator floors that hold the trolley in place
- Trolleys that have specially designed wheels that locks in on the grooves of the escalator floor to prevent movement(The wheels on the trolleys ride on the outside edges.When they go onto the escalator the outside edges go into the gaps causing the wheels to sit onto the high part of the track. This prevents the wheel from tuning till it reaches the level ground again)
Source: http://www.articlesnatch.com/Article/The-Dangers-Of-Escalator-Trolley-Accidents-And-How-It-Is-Prevented/881848#ixzz1L7WRnQ3N
To avoid escalator trolley accidents, airports and supermarkets employ any of the following means:
- Trolleys with automatic brakes that stops the cart once the handle is released
- Strong magnets on the escalator floors that hold the trolley in place
- Trolleys that have specially designed wheels that locks in on the grooves of the escalator floor to prevent movement(The wheels on the trolleys ride on the outside edges.When they go onto the escalator the outside edges go into the gaps causing the wheels to sit onto the high part of the track. This prevents the wheel from tuning till it reaches the level ground again)
Source: http://www.articlesnatch.com/
Hey, i got 2 out of 3..not bad!
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