That will do a lot to stamp out doping in sport, and most of those major codes can easily afford the cost of running that program.

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There are four major factors that explain the tenacity of speech codes.

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By matching the names or addresses of its customers with their SIC (business-category) codes, it discovered that a major portion were not contractors or homeowners--as it had long believed--but small businesses such as pizzerias, hair salons and bars, which either bought their maintenance supplies from Lowe's or wanted to refurbish their facilities themselves.

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