21. As the pressure close to the water surface is relatively low, the viewing windows can be bigger. 22. He knows that a viewing window in Santa's house can reduce children's fears and speed up lines. 23. She stops outside an empty lab, where blue light seeps through a viewing window in the wall. 24. They can be viewed in their indoor home, outside through large viewing windows or across a moat. 25. Though whitewashed, the mission's 4-foot thick adobe walls are exposed through a viewing window in a room of relics. 26. In late February, the 9, 620-pound whale slammed into the six-inch-thick viewing window , splitting his lip and startling visitors. 27. Ferrari is so proud of the 360s power plant that it puts a tempered-glass viewing window on the deck. 28. Permamounts were considered premium mounts with a label on one side and a neat viewing window on the other. 29. The $ 1.5 million facility comes equipped with a viewing window where visitors can watch medical staff treat the animals. 30. In security, the camera is used to recognize objects within the viewing window , and if necessary to trigger an alarm.
