sentence: Ribands bolt the planking to the stringers.
sentences_before: The transoms rest on the lower part of the panels, and are held together by clamps. The stringers are placed on top of the completed structural frame, and large pieces of wood are placed on top of the stringers to provide a roadbed.
sentences_after: Later in the war, the wood was covered by steel plates, to protect it from the damage caused by tank tracks.
concept_name: riband
headings: Bailey bridge Parts of the bridge
categories: Bridge types