Friction saw blades - GLOBUS since 1921 - traditionally the best for 100 years! - Division - tools variety
Cutting Tool Applications, Chapter 15: Saws and Sawing | American Machinist
Mechanic using a electrically operated sawing machine to smooth the rough edges of a welded iron bar and sparks flying out because of extreme friction between the machine and the metal
Industrial Carbide Saw and Tool Circular Saw Blades