Ammonium sulphate is widely used as a fertilizer.

He destroyed the enemy base using a high explosive.

He was staying overseas for a long time for work.

Enryu is my best friend.

He loves classical music.

He has a deep respect for classical art.

He is an expert in classical mechanics.

The culture of classical antiquity has a significant impact on the modern world.

He lost everything.

She is planning a date with her current boyfriend.