... color of decorative coatings,(not only plated titanium nitride and zirconium nitride,aluminum nitride titanium, chromium nitride coating, ... etc. nitride, titanium carbide, zircomium carbide and nitride, etc. carbonization of the film,titanium, zirconium,gold ... types of work pieces (tool and die, gauge and cutting tool, bearing and piston ring etc.).There are multiple types of ...