The procedure, which he described as “ quite risky ”, involved a rescuer sliding on a rope to approach the cable car. Sling operationThe rescuer is suspended with a sling and approaches the affected site/ person....
He or she is tied with the rescuer or another sling is used to hoist the person....
The helicopter can not approach the chairlift closely, as its downwash( air pressure) might snap the sole chain supporting it ”....
综合
黎明报-最新
2023-09-01 00:00:00.0
