[Class : 37] Installation Of Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Repair Of Energy Supply Installations And Of Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Repair Of Steam Generating Apparatus; Repair Or Maintenance Of Water Pollution Control Equipment And Provision Of Information Relating Thereto; Repair Or Maintenance Of Water Purifying Apparatus And Provision Of Information Relating Thereto; Repair Or Maintenance Of Water Pollution Control Equipment; Provision Of Information Relating To The Repair Or Maintenance Of Water Purifying Apparatus; Maintenance Of Water Purifying Apparatus; Maintenance And Repair Of Industrial Machinery; Providing Information Relating To The Repair Or Maintenance Of Storage Tanks; Repair Or Maintenance Of Storage Tanks And Providing Information Relating Thereto; Pipe Installation; Pipe Insulating; Construction And Maintenance Of Pipelines; Laying, Repair, Maintenance, Replacement And Refurbishment Of Pipelines; Pipeline Construction And Maintenance Services; Pipeline Installation And Repair; Installation Of Building Automation Equipment; Installation, Maintenance And Repair Of Automation Systems; Installation And Maintenance Of Industrial Plant And Equipment; Advisory Services Relating To The Installation Of Building Automation Equipment; Construction Of Industrial Plants; Industrial Construction.