40 Rolling, fabricating, cutting, edging, or plating of metal materials; metal treating; consultancy and information services relating to metal treating; processing of metal surfaces; consultancy and information services relating to processing of metal surfaces; custom manufacture of metal hardware; metal working; consultancy and information services relating to custom manufacture of metal hardware; consultancy and information services relating to metal working; processing of plastic surfaces; processing of plastics; consultancy and information services relating to processing of plastics; sand blasting.