But it's better to measure once and draw it up than to keep on measuring.
When they are not updated, the subjects they once measured can become obscured.
Critics of the exam say it once measured knowledge that was necessary for college or the workplace.
He's clearly had to shrink expectations to a size far more human than the larger-than-life scale by which he once measured his ambition.
Some recommend that everyone over the age of 20 should get their cholesterol levels measured at least once every 5 years.
The tree once measured 12 feet in circumference however it has since decreased.
Ten finished and treated items might be taken from a batch and each measured once.
West Africans once measured a man's wealth by his accumulation of textile "treasures."
Everyone over the age of 20 should get their cholesterol levels measured at least once every five years.
Measuring once every two years would not do that.