The forward pulley is large and is generally made from an in-line skate wheel.

远期滑轮大，一般是车轮制成一种在线滑冰。

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Skate wheel conveyors are well suited to glide lightweight cartons and packages from one station to another. They're particularly ideal if you must set up a temporary conveyor line.

滑板轮输送机很适合从一个车站到另一个输送轻量级纸箱和包装。

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The front wheel on his right skate started to come off.

WSJ: The Kid Who Skated to Yankee Stadium �� Jason Gay