He participated in the war as a draftee when he was young.

It is important to regularly oil the car's engine.

I regularly oil the chain of my bicycle.

This wall is made of clay.

Her natural beauty is truly captivating.

Her beauty is all natural, and that's part of her charm.

He takes pride in his work as a construction worker.

You need to be careful with the pronunciation of long vowels in Japanese.

I've released a new album, check it out.

Let's leave this issue as it is for now.