Please place a caution sign in the lobby because the freshly mopped floor is slippery.

請在大廳放置警告標示，因為剛拖過的地板很滑。

Our warehouse staff must wear safety boots, since the loading dock gets slippery when it rains.

我們的倉庫員工必須穿安全靴，因為下雨時裝卸平台會變得很滑。

The airline warned passengers that the boarding stairs were slippery after the overnight snowfall.

航空公司提醒乘客，經過一夜降雪後登機梯很滑。