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The preparations for that royal wedding of Prince William and Kate Middleton, the Where's Wally World Record comes about in Dublin, soccer tournament for robots opens in Germany, Volunteers in London raise the understanding cancer of the breast, a human wall was made in Manchester city, and etc are a couple of very impressive news in the previous week. 7. Using distractions Sleep disturbances There are more uses of air cooled heat exchangers, much like the upstream production, refineries and petro-chemical facilities. It can also be employed on situations with good temperature, high pressure, corrosive fluids and environments. Moreover, air coolers could be equipped and employed in oil and coal refineries; compressor stations for gas pipelines; subsurface gas storage facilities; plants producing polychlorvinyl, polyethylene, glass fiber, biplastic; caustic soda plants; by-product coke plants and ammonia transportation and handling plants.