The square tiling can be used as a circle packing, placing equal diameter circles at the center of every point.

B1 competitors, those with the most severe vision problems, have a red 7" diameter circle attached on both sleeves.

For the puff pastry, cut a 20cm/8in diameter circle from one sheet of pastry for the base.

Cut a 22cm/8 in diameter circle out of the other sheet for the top.

Avoid building campfires under hanging branches or over steep slopes, and clear a ten-foot diameter circle around the fire of all flammable debris.

It takes a large diameter circle to provide enough room for merging at speed.

I covered the whole surface of the window with long strips, much longer than needed to cover the one-foot diameter circle.

He looked for areas in which there were at least 8 persisting hairs per 4mm diameter circle in the remaining hair-bearing fringe.

The gun is accurate enough to place 80% of its shots within a 40-foot (12.4 m) diameter circle from 4,000 feet (1,220 m) while in flight.

The spring that could be either unilateral or bilateral, was wound in a fairly large diameter circle.