[Class : 37] Installation Of Commercial Cooking Apparatus; Installation Of Bathing Apparatus; Installation And Maintenance Of Bathing Apparatus; Demolition Of Chimneys; Construction Of Walls; Construction Of Diaphragm Walls; Construction Of Curtain Walls; Construction Of Cubicles; Construction Of Chimneys; Concrete Sealing; Repair Of Garbage Disposals; Concrete Renovation; Installation Of Wood Flooring; Concrete Polishing; Concrete Crushing; Cleaning Of Boilers; Chimney Sweeping And Providing Information Relating Thereto; Boiler Repair Services; Boiler Cleaning Services; Roofing Services; Roofing Repair; Roofing Installation; Roofing Maintenance; Repair Or Maintenance Of Vending Machines; Concrete Repairs; Providing Information Relating To The Repair Or Maintenance Of Cooking Apparatus And Installations; Repair Or Maintenance Of Industrial Dishwashers; Repair Or Maintenance Of Electric Cooking Apparatus And Installations; Repair Or Maintenance Of Cooking Apparatus And Installations; Repair Of Toilet Bowls With Integrated Bidet Water Jets And Provision Of Information Relating Thereto; Repair Of Sanitary Installations; Repair Of Non Electric Hot Plates; Repair Of Household And Kitchen Appliances; Repair Of Energy Supply Installations And Of Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Repair Of Electric Hot Plates; Rental Of Dishwashers For Industrial Purposes; Rental Of Dishwashers For Household Purposes; Installation Of Kitchen Appliances; Provision Of Information Relating To The Repair Or Maintenance Of Cooking Apparatus And Installations; Installation Of Laundry And Kitchen Equipment; Providing Information Relating To Chimney Sweeping Services; Parquet Floor Laying; Maintenance, Servicing And Repair Of Household And Kitchen Appliances; Maintenance Of Sanitary Installations; Maintenance Of Non Electric Hot Plates; Maintenance Of Electric Hot Plates; Kitchen Equipment Installation; Insulating Of External Walls; Installation Floor Tiles; Installation, Maintenance And Repair Of Kitchen Equipment; Repair Or Maintenance Of Non Electric Cooking Apparatus And Installations And Providing Information Relating Thereto; Rental Of Dishwashers.