Later the facings, collar and cuffs became blue velvet. Artillerymen wore light blue uniforms with red facings and trouser stripes. Common interior applications include lobby walls, soffits, column facings, and interior walls of elevator cabs. The regiment wore light cavalry uniforms of blue with gold lace and red facings. Their uniform was scarlet with white facings and blue overalls. The seat was now covered in striped-pattern cloth with vinyl facings. This unit had uniforms in black with red facings and gold buttons. Its walls were thick, with log facings surrounding an earthen filling. Its walls were thick, with log facings around an earthen filling. The London academic robes of this period were distinguished by their "rich velvet facings". The London Scottish wore Hodden Grey uniforms with dark blue facings. The uniform was of drab colour with blue facings. Various materials have been used for the disc-friction facings, including asbestos in the past. The long-term efficiency and durability of such facings are still undetermined. They are instead dark blue with black facings.