If you ski at a resort 50 days a year you will end up spending almost a full week on a chairlift. With that in mind check out this video on how chairlift operators evacuate passengers.
Last Easter 75 people, including children, had to be rescued from the Diavolezza Tram near St Moritz. The Swiss Air Rescue Service used four helicopters to rescue people after the tram got stuck halfway up its 3,000 meter rise. The operation took over two hours.