Track-laying vehicles namely bulldozers, front end loaders, earth loaders, crawler tractors, crawler backhoes, graders, cranes, scarifiers, scrapers and piledrivers, and parts therefor; crawler tracks and parts therefor, namely drive wheels, running, idler and support wheels, tubular bodies and insert members for tubular bodies, namely plastic and rubber traveling pads, snow grippers and mud grippers

Track-laying vehicles, namely, tanks, mobile gun mounts and rocket launchers and parts therefor; crawler tracks and parts therefor, namely, drive wheels, running, idler and support wheels, tubular bodies, namely plastic and rubber traveling pads, snow grippers and mud grippers

Technical consulting and research in the field of engineering and physics