Flight attendants reminded passengers to secure their oxygen masks before assisting others.

During the laboratory emergency drill, all students were instructed to put on their gas masks before entering the contamination zone.

Shoppers quickly bought up the remaining face masks when the news reported a surge in cases.

The volunteers handed out dust masks to everyone before the cleanup began.

She applied two different facial masks while listening to music and relaxing.

The hospital donated extra surgical masks to the community during the outbreak.

On Halloween, the thrift store had a shelf full of Jason masks that sent shivers down my spine.

During the clinic training, students learned how to properly fit procedure masks and dispose of them after use.

At the masquerade, the guests wore domino masks and laughed behind their elegant disguises.

We packed sleep masks and earplugs for the long flight.