One has the feeling that many sizes and shapes were tried for the Cullinan's headlamps until the absolutely correct dimensions were established. (automobilemag.com)
Made sure all job packets had correct dimensioning sign off and if specified had correct MTR's, WPQ and WPR's (jobhero.com)
When you need to replace the mattress in your crib, always check the warning label on the crib for the correct dimensions. (verywellfamily.com)