He is learning the technique of arc welding.

We connected two metal parts using butt welding.

He is active as a professional athlete.

She is planning a date with her current boyfriend.

He lost everything.

My boyfriend gave me a gift.

Everyone was surprised by the news.

I take a propolis supplement every day.

Provitamin is a substance that turns into a vitamin in the body.

He is skilled in profiling criminals.