This watch has high water-resistance.

The town was submerged in water due to the flood.

Due to the typhoon, my house was submerged in water.

We plan to enjoy fishing in the inland waters this weekend.

This microphone has less sound attenuation.

The sound gradually attenuates.

In this area, a large tank is needed to store rainwater during the rainy season.

We installed a tank to store rainwater.

This factory is treating wastewater with consideration for the environment.

He saved the children from danger.