[Class : 37] Abrasive Cleaning Of Metallic Surfaces; Advisory Services Relating To Excavating; Advisory Services Relating To The Repair Of Civil Engineering Structures; Advisory Services Relating To The Installation Of Power Plants; Advisory Services Relating To Pipe Laying; Advisory Services Relating To The Installation Of Heating And Cooling Apparatus; Advisory Services Relating To The Installation Of Hydraulic Equipment; Advisory Services Relating To The Maintenance And Repair Of Mechanical And Electrical Equipment; Advisory Services Relating To The Installation Of Gearboxes; Advisory Services Relating To The Installation Of Generators; Advisory Services Relating To The Installation Of Pumps; Advisory Services Relating To The Installation Of Fixings; Application Of Protective Coatings To Tank Surfaces; Application Of Surface Coatings; Assembling Of Scaffolding; Boiler Cleaning And Repair; Boiler Cleaning Services; Boiler Repair Services; Buffing And Polishing; Building Of Factories; Building Of Industrial Properties; Building Services Relating To Building For Industry Purposes; Coating Of Pipes; Coating [Painting] Services; Coating Services For The Repair Of Industrial Engineering Plant; Construction Of Factories; Construction Of Pipelines; Construction Of Power Plants; Construction Of Structures For The Storage Of Crude Oil; Cranes (Rental Of ); Crane Hire; Scaffolding; Erection Of Scaffolding; Pipeline Maintenance; Plant Maintenance; Machinery Maintenance Services; Pipeline Construction And Maintenance; Maintenance And Repair Of Heating; Maintenance And Repair Of Pipelines; Machinery Installation, Maintenance And Repair; Repair Or Maintenance Of Conveyors; Maintenance Services For Industrial Plants; Installation Of Boilers; Renovation Of Industrial Boilers; Repair Or Maintenance Of Boilers