42 Remote monitoring of the functioning, operational history, and operational status of solid state welding machines, low force friction welding machines, inertia friction welding machines, rotary friction welding machines, friction stir welding machines, and linear friction welding machines; technical support services, namely, troubleshooting in the nature of diagnosing operational problems of solid state welding machines, low force friction welding machines, inertia friction welding machines, rotary friction welding machines, friction stir welding machines, and linear friction welding machines; software as a service featuring software for monitoring operational performance and troubleshooting operational performance issues with solid state welding machines, low force friction welding machines, inertia friction welding machines, rotary friction welding machines, friction stir welding machines, and linear friction welding machines