machines for use in processing metal and glass; namely, batch feeders, combiners and conveyors; general contracting services for the glass and allied industries; melting, refining, annealing and tempering equipment; namely, furnaces, regenerators, heat exchangers and recupterators; "INTERNATIONAL"; consulting, engineering and design services; namely, testing and analyzing chemical, mechanical, and thermal equipment, matter and conditions, operating pilot plants; training personnel; providing reports, estimates, expert opinions and recommendations in the fields of melting, refining, annealing, and tempering of metals and glass; the architectural design, construction, rebuilding, repair, engineering design, and engineering specifications for material melting, refining, annealing and tempering equipment, regenerators, heat exchangers, recuperators, batch feeders, measurers, combiners, and conveyors
