Sometimes, no date is given and the drive can be expected to work without errors.

These six sent and received over 800 messages, all without error.

Shortly after that it ran for 31.5 hours without error.

After she'd done these things for several units without error, he nodded.

"No true advance in magic can ever be made without trial and error."

However, this test to determine the political attitude of a nominee is not without error.

Incidentally, I find it very difficult to make these calculations without error!

How will you transmit said large quantity to far end without significant errors?

But her short program was virtually without error, with the high, crisp jumps for which she is best known.

He said, "Here," and the girl turned, tracking his voice without error.