My boyfriend gave me a gift.

Everyone was surprised by the news.

After the nuclear accident in Fukushima, decontamination work is being carried out.

They are working hard to decontaminate the radioactive contaminated area.

His illness has completely vanished.

His pain completely vanished.

This room has high humidity, so we need to use a dehumidifier.

The humidity in this room is high, so let's dehumidify it using a dehumidifier.

This machine is equipped with a high-efficiency heat removal system.

This machine has a function to remove excess heat.