Wood panelling; Building timber; Doors, not of metal; Wood veneers; Plywood board; Window frames, not of metal; Building timber; Buildings, transportable, not of metal; Hips for roofing; Spars, Non-metallic, for use in building; Wood rafters; Acoustic panels of wood for walls; Building materials, not of metal; Timber panels; Timber boarding; Buildings, transportable, not of metal
Nonmetallic Building MaterialsConstruction services, Especially Constructing constructions of timber; Maintenance of buildings; Building construction supervision; Information services relating to the construction of buildings
Building Construction and RepairWoodworking; Cloth waterproofing; Treatment of timber with preservatives; Timber preservation
Treatment of Materials