Programmers--sorry, seamen--hired from places like India and Russia would have their own cabins, work eight- or ten-hour stretches on either a day or night shift and have the rest of the time to sleep, play shuffleboard or take a water taxi to shore.

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Many of the miners took an unofficial day's holiday for the royal visit, which meant only 117 reported for work on the Monday night shift.

BBC: Cadeby Main mining disaster marked 100 years on