We must strive to protect the environment of the Earth.

He injured his toe.

He injured his toe.

He cleaned the bowl of the pipe thoroughly.

She put a ring on her ring finger.

She made a finger heart and showed it to me.

He injured his finger from direct force to the tip while playing basketball.

He played the piano with his thumb.

He is protecting his fingers using a finger cot.

He is good at fastening his tie.