CONSULTING, ENGINEERING AND DESIGN SERVICES-NAMELY, TESTING AND ANALYZING CHEMICAL, MECHANICAL, AND THERMAL EQUIPMENT, MATTER, AND CONDITIONS, OPERATING PILOT PLANTS; TRAINING OPERATING PERSONNEL; PROVIDING REPORTS, ESTIMATES, EXPERT OPINIONS, AND RECOMMENDATIONS IN THE FIELDS OF MELTING, REFINING, ANNEALING, AND TEMPERING OF METALS AND GLASS; AND THE DIRECTING OF THE CONSTRUCTION, REBUILDING, AND REPAIR AND ALSO THE DESIGNING OF MATERIAL MELTING, REFINING, ANNEALING, AND TEMPERING EQUIPMENTS, REGENERATORS, HEAT EXCHANGERS, RECUPERATORS, AND BATCH FEEDERS, MEASURERS, COMBINERS, AND CONVEYORS