visual examination in a sentence

Examples

1. It is not hard to pinpoint production year for any GAZ-3102 just by visual examination.
2. A visual examination of Marciano's defense could be deceiving.
3. This crack was detected by magnaflux inspection but could not be seen by visual examination.
4. Currently, the only certain diagnosis is made surgically, with a visual examination inside the pelvis.
5. Visual examination determined that it was a cylindrical package wrapped in paper and secured with tape.
6. Sometimes visual examination is not sufficient to distinguish parchment from certain types of highly calendered papers.
7. Visual examination of the left fuel tank revealed no fuel and the fuel cap was tight.
8. A quick visual examination of my son's bathroom suggests the latter, but I could be wrong.
9. These examples indicate that the correlation coefficient, as a summary statistic, cannot replace visual examination of the data.
10. I am exploring another area : duct endoscopy, which is the direct visual examination of the milk ducts.