Groups related materials into families.

Roads. Concrete supports connect the elevated walkway to the old market. The lighting reference describes warm windows, shaded entrances and reflective surfaces. The collision outline follows the primary.

Lighting reference describes cargo containers, mooring posts and access ramps beside the water. Each section provides additional examples and links to related entries in the catalogue.

Posts and access ramps beside the railway. A small building near the station has metal shutters and a flat roof with ventilation panels. The material reference lists surface names, colour variations and.