21. There are taste aversion products for geese, and fogging agents used for birds. 22. There is likely to be some fogging of the film which would reduce contrast. 23. So, the only reason for the repeated fogging is the quality of the sliders. 24. Lovell's head begins fogging up. 25. Damphousse says there are products to apply to the visor to cut down on fogging . 26. It seems the aperture on the camera had been stuck open, fogging the film. 27. My goggles are fogging from each breath and the winds lash snowflakes against my face. 28. The hose is used to prevent a window on the space station from fogging up. 29. This resulted in the development of self-cleaning glass and anti-fogging coatings. 30. Changes in the attitude raised the temperature of the camera and generally eliminated the fogging .
