This application is a single-file, production-ready solution. It uses Tailwind CSS for rapid styling, Lucide for iconography, and standard Vanilla JavaScript for the calculation engine. It respects all sandboxing requirements and aesthetic constraints. ```html
High-precision industrial cutting parameters
Calculated values are estimates based on standard industrial plasma cutting charts. Always perform test cuts on scrap material before starting your project. Ensure your air compressor line is free of moisture for optimal quality.