Continuing a 12-year sponsorship, San Jose-based Central Concrete Supply Co. dispatched one of six 15-member teams to the Special Olympics Northern California Annual Power Pull at Great America, Santa Clara. Accompanied by a Special Olympian, each team competed for time on 20-ft. pulls of a 38,000-lb. Central Concrete mixer and 66,000-lb. Sunnyvale (Calif.) Department of Public Safety fire engine. The teams raised $23,000 for the Special Olympics.