Newbuilding supervisors and inspectors living and working at Hyundai Heavy Industries’ (HHI’s) Ulsan shipyard had better play by the rules, especially if they tangle with Kim Sangwoo.

This polite, smartly turned-out 39-year-old is responsible for looking after their newbuildings in his job in the contract management department of HHI’s shipbuilding division, but in his other life he is an international football referee.

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