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Doors in Watertight Bulkheads of Passenger Ships and Cargo Ships – Unified Interpretation – Set B

Source: Unified interpretations of SOLAS chapter II-1, Parts B-2 – Subdivision, Watertight and Weathertight Integrity and B-4 – Stability Management – Doors in watertight bulkheads of passenger ships and cargo ships.
Reference: imorules.com – SOLAS II-1 Parts B-2 and B-4 unified interpretations

Question 1 of 10
1. A "sliding door or rolling door" is defined as a door having: