Hardening Machine Market Size, Share, and Industry Analysis, By Type (Horizontal, Vertical, and Others), By Technology Type (Induction Hardening, Flame Hardening, Lase Hardening, and Electron Beam Hardening), By Material (Steel, Cast Iron, Aluminum, and Others), By End User (Automotive & Transportation, Aerospace & Defense, Construction, Industrial Machinery, Medical, and Electronics), and Regional Forecast, 2025-2032