Set for three chairs being used, not one or two.

The man who'd found the room was using a chair to clean the glass away.

Sit up straight and use a chair that provides good back support.

Despite this, they could stand by using a chair or another object to balance.

Of course, people who could definitely safely use a chair but still don't happen to have one are a whole other issue.

Darcy used a chair as support, and pulled himself up.

Inside the church is a wooden chair used by Calvin.

A dog will not be deprived if it cannot use a chair.

A wheelchair is a type of chair usually used by disabled people.

When sitting, use a chair with good back support.