Nitric acid is a chemical substance with strong acidity.

We are using LED bulbs for energy conservation.

He dedicated his life to education.

He injured his arm in an accident.

The insect is sensing its surroundings using its antennae.

This room is lit only by candlepower.

His efforts received praise from everyone.

His efforts were praised by everyone.

He was greatly shocked when he heard the news.

He is looking for a book that he can read with enjoyment every night.