Alternatively, tie beams that help to prevent the trusses from moving outwards may have been removed or adapted to allow sufficient headroom to provide access between the bays.
Neu mae'n bosibl i'r ceibrennau sy'n helpu i atal cyplau rhag symud tuag allan gael eu tynnu allan neu eu haddasu i greu digon o le i'r pen i bobl allu symud rhwng y baeau.