21.   Unlike cooling fans, Chiu said, the system runs silently and uses no battery power.

22.   Many chicken houses even have computer controls that measure the temperature in the house and adjust cooling fans accordingly.

23.   The bearings on the cooling fan may be too tight, which can cause excessive heat resulting in smoke, odors and possible fire.

24.   Cooling fans, cold-water showers and greater breaks within competitions were used to keep horses fit and similar treatment might be applied to human competitors in severe heat.

25.   Cooling fans, cold-water showers and greater breaks within competitions were used to keep horses fit and some technology might be applied to human competitors in severe heat.