while I wouldn't say that it's a totally "solved" problem, some of the terrible mishaps of bow doors on roro ships that occurred in the past 30-40 years seem to

while I wouldn't say that it's a totally "solved" problem, some of the terrible mishaps of bow doors on roro ships that occurred in the past 30-40 years seem to have led to much more stringent operational and engineering standards for door locking and latching systems.