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.

I went to the restaurant to eat lunch.

I have lunch every day at 12 o'clock.

He is as strong as a diamond.

He is widely recognized as a literary giant in Japan.

She always carries a charm with her.

She is learning karate for self-protection.

He wrote a will, deciding to leave all his property to his wife.