Leased or purchased machinery, equipment, replacement parts, and accessories that are used or consumed in the manufacturing, processing, fabricating, or repairing of tangible personal property for ultimate sale, are exempt from state and local sales and use tax. Texas businesses are exempt from paying state sales and use tax on labor for constructing new facilities. Texas businesses are exempt from paying state sales and use tax on the purchase of machinery exclusively used in processing, packing, or marketing agricultural products by the original producer at a location operated by the original producer.