Hand.
This is his hand.
Left hand.
Right hand.
Hands.
These are his hands.
He has two hands - right and left.
He will wave his hand.
He will wave his hands.
He will take a glass.
He will hold a glass in his hand.
He will carry a glass in his hand.
He will take a plate.
He will hold a plate in his hands.
He will carry a plate in his hands.
He will write something with his right hand.
He will lift one hand.
He will put down his hand.
He will lift both hands.
He will put down his hands.
He will put out his hands.
He will wash his hands.
He will wipe his hands.
He will take a purse.
He will carry a purse in his hands.