第二天，磨坊主来了，让汉斯帮他运一袋面粉到集市上去卖。
The next day the Miller came and asked Hans to carry a sack of flour to the market and sell it for him.
他开车回来时搭运了一批机器。
He rode a shipment of machines in the truck on his return trip.
他还发明了高空吊运车，这是一种为飞机和大型的氦气球的空中救援系统。
He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.
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