Always ensure the spray area is safe and free from all debris that may present a fire or trip hazard.

请确保喷涂区域是安全的，远离可能带来危险的因素。

youdao

Needs minimum space - Almost invisible when not in use. Leaves the way free - no trip hazard across the opening.

占据的空间最小，当不用的时候几乎看不到它的存在，保持着道路的空旷，以致穿过的时候不会绊倒。

youdao

On a recent trip to the West coast (where rain and snow were not a material hazard), I managed to wear the same set of wedge heels to five meetings.

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