17
Rubber, raw or semi-worked; Mica, raw or partly processed; Gum, raw or semi-worked; Unprocessed and semi-processed gutta-percha; Unprocessed and semi-processed asbestos; Substitutes for unprocessed and semi-processed rubber; Substitutes for unprocessed and semi-processed gutta-percha; Substitutes for unprocessed and semi-processed gum; Substitutes for unprocessed and semi-processed asbestos; Substitutes for unprocessed and semi-processed mica; Plastics in extruded form for use in manufacture; Weatherstripping compositions; Sealing and insulating materials; Seals, sealants and fillers; Insulating materials; Thermal insulating materials; Flexible hoses, not of metal; Thermal insulation articles and materials; Acoustical insulation barrier panels; Acoustical insulation barrier panels; Acoustic insulating materials; Soundproofing materials; Cellulose acetate, semi-processed; Foil of regenerated cellulose, other than for wrapping; Acoustic baffles for soundproofing purposes; Bark coverings for sound insulation; Acoustic insulants; Semi-processed resins
19
Building materials, not of metal; Rigid pipes, not of metal, for building; Pitch, tar, bitumen and asphalt; Buildings, transportable, not of metal; Monuments, not of metal; Concrete; Concrete panels; Synthetic concrete; Concrete slabs; Concrete poles; Concrete paving stones; Concrete building materials; Aggregate materials for use in concrete; Concrete walls; Fireproof cement coatings; Acoustic panels, not of metal; Non-metal rumble strips
42
Testing, authentication and quality control; Analysis and evaluation of product design; Materials testing and analysing; Environmental testing of vibration; Material testing services; Technical testing services; Technical measuring; Providing quality assurance services; Analysis and assessment of noise levels; Environmental noise testing in construction sites; Technical testing of noise levels in construction sites; Technical measurement of noise levels; Noise level quality testing