In football, I would say a wide receiver.
he mainly plays the small forward position.
Forward's main job is to score goals. They stay in the oppositions half and rarely defend
He is mainly an attacking midfielder and sometimes at winger but mostly he plays with lewandoski at forward position and his main work is to assist to lewandoski. Forward/ Attacking midfielder.
Gasol is mainly a forward, but he plays center when Bynum is out.
The chemical mainly responsible for growth and repair is Protein.
He is mainly a small forward, but he can play the 4.
The chemical mainly responsible for ozone deplation are CFC's. They contain chlorine and fluorine which react with ozone to destroy it.
Vestibular apparatus from the middle ear is mainly responsible for balance.
He played center during college at Pitt mainly because of his brute strength and rebounding abilities. But will play power forward in the NBA because he is undersized at only 6'7".
Zinedine Zidane played as a centre attacking midfielder mainly, but played on the left side of midfield for Real Madrid. He is a playmaker
Nitrogen
Mitochondria.