Original: The stall plates, however, are not removed; rather, they remain permanently affixed somewhere about the stall, so that the stalls of the chapel are festooned with a colourful record of the Order's Knights and Dames Grand Cross since 1906.
Simplified: The stall plates are not removed, but remain permanently placed somewhere in the stall, so that the stalls of the chapel are covered with a colourful record of the Order's Knights and Dames Grand Cross since 1906.