What happens when operators misunderstand the design and designers misunderstand the operators? Couple of partial extracts from Busby & Hibberd’s 2002 article which explored accident report sources to construct mismatches between operator and designer assumptions. PS. Check out my YouTube and recent Critical Control / barrier vid: https://youtube.com/@safe_as_pod?si=iUaDPJynPemQRZhY Shout a…