41.   A very mild air flow will continue from the Gulf of Mexico into the Plains and Mississippi Valley.

42.   Adding a thicker weather strip will reduce air flow, but it may also make the window harder to open and close.

43.   Adding insulation, recaulking, changing windows or installing an exhaust fan can all affect air flow.

44.   After a couple years of use they can become hard to clean and then they restrict air flow, he said.

45.   Air flow in sealed high rises is set for a specific occupancy level.

46.   After the surgery, she no longer had to sleep on her right side to get better air flow.

47.   Air conditioning works most efficiently when air flow through the system is unobstructed.

48.   But as soon as the front moved to the east, the seasonal air flow returned, bringing more smoke into the area.

49.   But only a few systems are powerful enough to redirect air flow and contain smoke in a major fire.

50.   By decreasing the air flow to the engines with the plates, cars are forced to run slower, but they run in bunched packs.