Hand.
This is his hand.
Left hand.
Right hand.
Hands.
These are his hands.
He has two hands - right and left.
He waved his hand.
He waved his hands.
He took a glass.
He held a glass in his hand.
He carried a glass in his hand.
He took a plate.
He held a plate in his hands.
He carried a plate in his hands.
He wrote something with his right hand.
He lifted one hand.
He put down his hand.
He lifted both hands.
He put his hands down.
He put out his hands.
He washed his hands.
He wiped his hands.
He took a purse.
He carried a purse in his hands.