The language is concise but not terse. Diagrams are hand‑drawn in vector precision — likely made in an early 2000s version of CorelDRAW or AutoCAD. Equations are set in a standard mathematical font. What sets the document apart is its pedagogical rhythm: every theoretical section is followed by a solved example from Polish industry, then a set of unsolved problems with real‑world parameters — voltages found in KGHM copper mines, torques required for conveyor belts in a Żywiec brewery, insulation classes typical for wind turbines along the Baltic coast.