Cyclonaire Corp., York, NE, a leading manufacturer of pneumatic conveying systems and controls for handling bulk materials, is building a 14,000-square-foot addition. The new construction will provide added capacity for production and assembly as well as a paint facility. It will also facilitate the handling of larger conveying vessels. When complete, the expansion will bring Cyclonaires York operation to 57,000 square feet. This is the companys second addition this year, following completion of a 5,000-square-foot storage building in January for its R&D laboratory.