On November 12, while two men were busy cleaning windows, a rope of the platform broke near the 68th floor.

11月12日，当两名男子忙于清洗窗户时，68层附近的一根平台绳索断裂。

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An idea popped into lead designer Harry West's head: the solution to their problem was a floor mop with a disposable cleaning surface.

首席设计师哈里·韦斯特突然想到了一个主意：他们的问题的解决方案是一个带有一次性清洁表面的拖把。

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They're often alone on a floor, cleaning a vacant room, back to the door, the vacuum's drone silencing all sound.

她们常常独自在一层楼里，打扫空旷的房间，吸尘器的嗡嗡声盖过了一切声音。

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James Braithwaite, Euro-Pro vice president of research and development, says Shark had to "over-engineer" the device's head, which holds the floor cleaning pads, so it would stand up to consumer pressure.

WSJ: Cleaning Products Get Stronger Even Though Scrubbers Insist On Using Elbow Grease

It has a 2-hour cleaning cycle, is lighter weight, and is especially good at cleaning the pool floor and cove.

ENGADGET: Polaris' pool-cleaning robots get updated with added intelligence, four-wheel drive

The court heard he could not smell it due to his poor sense of smell and his English was not good enough to understand the writing on the bottle, which he thought was cleaning soap for the floor.

BBC: Danilo Restivo