 Tune in every Monday on KNOX from 9 to 9.30 to listen to Dr. Chalaya with the Heart Institute of North Dakota. Text KNOX or call with your questions regarding your health with Dr. Chalaya every Monday from 9 to 9.30. If you have a hole, we can tighten it up. Hello, this is Thomas with Grand Forks Welding and Machine, and we know a loose, bored-out hole when we see it.