[Class : 37] Cleaning, Waste Removal [Cleaning], Processing And Maintenance Work For Industrial Plants And Plant Components, Namely Said Operations In Relation To The Inner Surfaces And Interiors Of Said Units, In Particular Of Tanks, Fluid Vessels, Pipelines, Separators, Pumps, Reactors And The Like; Rental Of Equipment For Carrying Out The Aforesaid Cleaning And Maintenance Work; Cleaning Of Metallic Workpiece Surfaces For Others.[Class : 42] Engineer Services, Namely Technical Consultancy For The Cleaning, Maintenance And Preservation Of Industrial Apparatus And Installations; Execution Of On Site Audits For Industrial Plants In The Nature Of Inspections With Regard To Their Cleaning And Maintenance Needs; Engineer Services, Namely Technical Planning And Design Works In Connection With The Construction And Modification Of Industrial Apparatus And Plants.