40 Anodizing, acid etching, laser treatment and coating for dental implants; anodizing, acid etching, laser treatment and coating for orthopedic prostheses; anodizing, acid etching, laser treatment and coating of prostheses for the spinal column; anodizing, acid etching, laser treatment and coating of prostheses for maxillofacial or neurosurgical reconstruction; anodizing, acid etching, laser treatment and coating of articles for osteosynthesis, namely, metal plates for medical use and orthopedic fixation devices used in orthopedic transplant and/or implant surgery; Treatments using metals, ceramics and polymers, in particular electrophoretic spraying, and electrophoretic surface application and cryogenic spray treatments, for components used in industrial turbines and motors and engines for airplanes and other industrial sectors; sand blasting; abrasive blasting; electrochemical coating treatments for industrial turbines and motors and engines for airplanes and parts for airplanes; grinding of materials; mill working of materials; heat treatment in the nature of thermal spray surface coatings, for metal and ceramic goods; Cryogenic treatment of materials, namely, cold spray surface coatings; Laser surface coating in the nature of treatment of materials by laser beams; sandblasting surface treatments; shot peening surface treatments; treatment of materials, in particular vacuum brazing and welding; All of the aforesaid sandblasting surface treatments, shot peening treatments, vacuum brazing treatments and welding treatments being for gas turbines and components used in the civil and industrial sector and on airplanes; Abrasive blasting services; Burnishing by pneumatic abrasion of surfaces; plasma spray application of wear resistant coatings to engineering components; Application of coatings using vacuum deposition techniques; Application of coatings using physical vapor deposition techniques; application of coatings using chemical vapor deposition techniques; application of coatings using thermal plasma spraying techniques; Electrophoretic application of protective surface coatings to machines and tools; Application of wear resistant coatings by electrolytic processes; plasma spray application of wear-resistant coatings on metals and plastics; soldering; joining of components using ultrasonic welding techniques; vapor depositing on metal surfaces; finishing of surfaces by shot peening; galvanizing; engraving; metal hardening; processing of metal surfaces by abrasive polishing; processing of metal surfaces by precision grinding and abrasive polishing; burnishing by abrasion; abrasive polishing of metal surfaces; grinding; electro-phoretic coating; powder coating; galvanization services; Sandblasting services; air-brushing services; Services for the blast treatment of a surface, namely, grit blast treatment; Grit blast treatment; treatment of metal parts to prevent corrosion; treatment of metal parts to prevent corrosion using hotdip galvanizing and powder coating processes; treating materials with ultrasonic waves to modify their properties; treatment of materials using chemicals; treatment of materials by laser beam; heat treatment of metal surfaces; electrochemical treatment of materials; Metallurgical processing, namely, obtaining metals from native earth materials; Treatments with metal, treatments with ceramics and polymers, in particular heat treatment spraying, and surface application heat treatments for components used in industrial gas turbines and engines for aircraft and other industrial sectors; Treatment of materials by means of laser beams