The stacks need to be perfectly aligned and stay that way.

If you watch the video closely, sometimes the dancers are not aligned perfectly.

Each chair was aligned perfectly with the magnetic field of the planet.

But once they were in position, it kept them in place and perfectly aligned.

They worked carefully to make a perfectly aligned patch with the rest of the concrete floor.

It seemed impossible that the tubes could remain perfectly aligned with each other as they had been.

But, she added, "if you've chosen to be a public company, shareholder and God aren't always perfectly aligned in terms of what they want."

The expensive check forms must be perfectly aligned or all of the numbers won't fit in the little boxes.

A recent copy of the Smithsonian was perfectly aligned with the table's edges.

Film in which the different colour images were already combined, perfectly aligned.