Please remember to turn off the lights when you leave the room and don't forget to turn off the shower when we finish washing hands.

当你离开房间时，请记得关灯，不要忘记关掉淋浴，当我们洗完手时，请不要忘记关灯。

youdao

Seriously, at least in the women's restroom, there are usually towels around the sink area to absorb the extra water that we tend to splash around when (and if) washing our hands.

CNN: Restroom etiquette for the office