The dwarf was digging for ore in the mountain.

He is an Indian and a very kind person.

He visited Paris with his French friend.

Please ensure the safety around you when using fire at the camp.

He is behaving like an idiot.

Chlorine detonating gas is very dangerous, and it requires careful handling.

There are no aspirated consonants in Japanese.

An aspirated consonant is a sound that is pronounced with a strong exhalation.

He is receiving treatment for obsessive-compulsive disorder.

In mathematics, it is important to examine the parity of numbers.