sponsored by the Department of Education and Science. The Department of Education and Science. sponsored by The Department of the Air Force. sponsored by the Department of Mechanical Engineering. sponsored by the Hungarian Academy of Science. sponsored by the Institute of Quality Assurance. sponsored by the Department of Chemical Engineering of Texas A & M University. sponsored by the Engineering Department of the Electronic Industries Association. sponsored by the Committees on Drilling and Production Practice. sponsored by American Welding Society Education Department.