"No one can come onto my island without a mask!"

The girl was one of the first real people, without a mask, that he'd talked to.

This was remarkable because he did it without a mask.

He often took exercise in the yard of the prison, but never without his mask on.

"You never saw him without his mask, even when he was sleeping or swimming."

He was a year in healing, can't show his face, now, without a mask.

It was the first time he'd seen them without their protective equipment and masks.

He never let people take his photograph without a mask on his face.

He might survive thirty minutes without a mask, but would not enjoy it.

"Without masks, we can not expect to reach a dome on foot."