When is a space on a ship enclosed and at what stage can it be described as dangerous? These are the two million-dollar questions owners and operators face after a series of confined space deaths and accidents in the past 12 months.rnA recently-issued report by the UK's Marine Accident Investigation Branch (MAIB) into the deaths of three seamen on the rescue vessel Viking Islay in the North Sea says the trio went into a chain locker and died through lack of oxygen.
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