42 Consulting service in the field of additive manufacturing equipment and consumable; Custom Research and Development in the field of additive manufacturing equipment and consumables; Custom manufacturing services for others in the field of additive manufacturing equipment and consumables; Engineering design services in the field of additive manufacturing equipment and consumables; Inspection of machined parts, namely, functional verification inspection, performance verification inspection, or safety inspection services for others; design of machined parts for others; engineering design services, namely, custom design of machine tools, machines and tooling; Scientific and industrial research in the field of welding, cutting and hardfacing technologies, applications and additive manufacturing equipment and consumables, computer programming in the field of welding and cutting; engineering and consultancy for the improvement and optimization of the use of welding and cutting equipment, tools and additive manufacturing equipment and consumables; design, installation, programming and implementation of customized automated and/or robotic machines, systems and assemblies for others