61.   Overhead the blowers for the cooling system roar, carrying away the tremendous heat generated by squeezing so many calculations into a tiny sliver of time.

62.   Pollin arrived with some of his associates and paid for the installation of a new cooling system.

63.   Residential users tend to rely on electricity more in the summer to operate cooling systems and on natural gas in the winter to heat their houses.

64.   Restricted air flow in the cooling system can result in the coils freezing up.

65.   So our ancestors had to develop a better cooling system.

66.   Stirling engines also require expensive, heavy and bulky cooling systems.

67.   Superficial veins in the fins and flukes, the twin lobes of the tail, were seen as acting like the cooling system in a car.

68.   That meant that the cooling system and the primary breathing air purification systems were operating.

69.   The chemical leak from the cooling system caused significant sinus and respiratory irritation for Mir crew members.

70.   The cooling system failed, and so did the process that turns urine into bath water.