He turned the car key to start the engine.

I used a screwdriver to assemble the furniture.

I found a Japanese grosbeak in the park.

He plays the barrel organ in the park every day.

He poked around the room, trying to find what he was looking for.

He is using that coat from winter to spring.

He was gently petting the cat.

She fractured her hipbone.

After watching the terrifying scene in that movie, I was horrified.

Hexadecane is one of the important hydrocarbons in organic chemistry.