Description: Non-metallic building materials, namely, concrete, cement and clinker; silica components and additives for concrete, cement, and clinker; non-metallic rigid pipes for building; asphalt, pitch and bitumen; transportable buildings, not of metal; monuments, not of non-precious metal; Chemical products for use in the concrete and cement industry, namely, chemical additives for concretes or cement; unprocessed artificial synthetic resins; unprocessed plastics; adhesives for use in industry; Architectural and engineering design, project planning, and consultancy services in the fields of building and civil engineering and the use of concrete and other construction materials; chemical engineering, project planning, and consulting services relating to the manufacture and treatment of concrete and other construction materials; performance of chemical analysis, namely expert chemical appraisals
