11
Lighting apparatus and installations; Heating apparatus and installations; Cooling appliances and installations; Steam-generating apparatus and installations; Cooking apparatus and installations; Drying apparatus and installations; Ventilation [air-conditioning] installations and apparatus; Water supply apparatus and installations; Sanitary apparatus and installations; Fountains
14
Precious metals; Alloys of precious metal; Works of art of precious metal; Statues of precious metal; Chronometric apparatus and instruments
35
Professional business consultancy; Shop window dressing; Demonstration of goods; Organization of exhibitions for commercial or advertising purposes; retail sales of art; Business project management services for construction projects
42
Engineering services; Engineering services; Engineering; Conducting technical project studies; Scientific research; Technical research; Research in the field of building construction; Construction drafting; Engineering evaluations, estimates and research in the field of science and technology; Research and development of new products for others; Technological consultancy; Design of works of art; Design of show scenery; Graphic arts design; Styling [industrial design]; Design of prototypes; Design of computer-simulated models; Industrial design; Dress designing; Consultancy relating to industrial design; Energy auditing; Consultancy in the field of energy-saving; Quality control; Architecture; Architectural consultancy; Interior design; Design of interior decor