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When I arrived in Collierville, Tennessee for the summer of 1986, I was assigned to teach classes to engineers and quality-control personnel employed by Carrier Corporation's residential air-conditioning plant. One of Carrier's engineers raised his hand while I was talking about condenser coils and the advantages of the company's then spine-fin all-aluminum coils and pointed out that the company was abandoning the design and returning to the production of traditional copper tube aluminum-fin coils. Because of this, I wrote The Death ... more