I am not positive, but I think Mechanical Engineer. "Mechanical engineering is the discipline that applies engineering, physics, engineering mathematics, and m

I am not positive, but I think Mechanical Engineer. "Mechanical engineering is the discipline that applies engineering, physics, engineering mathematics, and materials science principles to design, analyze, manufacture, and maintain mechanical systems. It is one of the oldest and broadest of the engineering disciplines. " https://en.wikipedia.org/wiki/Mechanical_engineering https://en.wikipedia.org/wiki/Mechanical_engineering My father was one, but designed gas compressors for oil & gas industry.