When Rick Hall started riding along in his father's septic service truck at age 6, Dwight Eisenhower was president of the United States, Hawaii and Alaska were new to the nation, and gasoline was 25 cents a gallon. A lot of things have changed over the years, but the 58-year-old Hall still believes in the values of hard work and wrench-turning he learned as a kid in the 1950s.As owner of Casa Grande Pumping Service in Casa Grande, Ariz., with his wife Darlene, Hall is used to getting his hands dirty and solving problems with his equipment. "We're doing OK;
