But, he said, on other projects, they are usually spaced from 15 to 20 feet apart.

There were six calls to another number spaced roughly two weeks apart.

Each dose should be spaced at least 12 hours apart.

Your doctor may tell you to use two doses on the first day of treatment, spaced at least 2 hours apart.

The words were drawn out and spaced apart for emphasis.

They should be spaced about a fourth of an inch apart.

She knew that the signal lights were spaced two miles apart.

They should be spaced about 3/4 of the frame width apart.

The plates are typically spaced at 4 to 6mm apart.

There's evidence for cycles of destruction on Earth, spaced around 26 million years apart.