Abrasion, namely, burnishing by abrasion; soldering; staining; metal colouring, not painting in the nature of color laser marking of metals; chromium plating of metallic objects; chromium plating of metal articles; vapour depositing on metal surfaces; extruding of metal alloys; metal finishing; cold forming of metal; metal casting; metallurgical smelting; galvanising of metal; engraving; laminating of metal plates, plastic sheets; provision of information relating to chemical processing; mate...