The slide guitar work on the song was done by Barrett using a plastic ruler.

I gave her a clear plastic ruler from my desk drawer and she checked the map's scale and started calculating times and distances.

He took out a thin plastic ruler.

Then we took a green plastic ruler and measured the thing.

He set down the calipers and picked up a small plastic ruler.

His signature weapon is a green plastic ruler.

She used dividers, a three-foot-long clear plastic ruler, a protractor, and calculator.

Both expressed an interest in the survey and, without preconditions, supplied 100 tape measures and 100 plastic rulers.

He knocked again, and while he waited he slid a six-inch plastic ruler between the door and the facing, and worked it gently until the bolt clicked.