This sea area is known for its beautiful corals.

He likes to use slang.

His laughter echoed throughout the room.

We organized a union of workers.

I think it's just a coincidence.

Our opinions completely coincided.

Let's respect the elderly and learn from their knowledge.

This protective suit is for protecting oneself from radiation.

This house uses insulation to protect against the cold of winter.

He went to India to learn Sanskrit.