maintenance and repair of pipelines

Composite panels having insulating properties; Fire resistant insulated panels; Insulating panels; Panels of plastics (for use in manufacture); Panels of plastics (semi-worked); Plastic laminates (sheets and panels) for use in manufacture; Plastics materials in the form of panels (semi-finished products); Plastics materials in the form of panels for use in manufacture; Semi-worked panels of plastics materials

Building panels, not of metal; Composite panels of non-metallic materials for use in building; Decorative ceiling panels made with synthetic resins; Decorative wall panels made with synthetic resins; Door panels, not of metal; Facing panels of non-metallic materials; Interior decorative panels made of non-metallic materials; Modular wall panelling of non-metallic materials; Movable partition panels (doors), not of metal, for dividing rooms; Multilayer panels of plastic for use in building; Non-metallic building materials in the form of panels; Non-metallic building panels; Non-metallic carpenters' panels; Non-metallic ceiling panels; Non-metallic cladding panels; Non-metallic cladding panels for roofs; Non-metallic cladding panels for walls; Non-metallic decorative panelling; Non-metallic dividing wall panels; Non-metallic double glazing panels; Non-metallic exhibition panelling; Non-metallic fire retardant panels for use in construction; Non-metallic fireproof panels for use in building; Non-metallic laminated building panels; Non-metallic laminated panels for partitions; Non-metallic laminated panels for surfaces; Non-metallic laminated panels for walls; Non-metallic panelled ceilings; Non-metallic panels for building; Non-metallic panels for covering walls; Non-metallic panels for doors for buildings; Non-metallic panels for interior cladding on buildings; Non-metallic panels for outer cladding on buildings; Non-metallic panels for partitions; Non-metallic panels for use in building; Non-metallic panels for use in construction; Non-metallic panels for walls; Non-metallic room divider panels (other than furniture); Non-metallic section panels for advertising; Non-metallic section panels for use in advertising; Non-metallic section panels for use in advertising shelters; Non-metallic section panels for use in advertising structures; Non-metallic shaped panels for use in the construction of doors; Non-metallic traffic information panels (non-luminous, non-mechanical); Non-metallic wall panels; Panel boards of non-metallic materials; Panelling of non-metallic materials for use in construction; Plastic panels for use in building; Plastic panels for use in construction; Polymeric building panels; Sections of non-metallic panelling for interior conversion of dwelling houses