In these Regulations, any word or expression to which a meaning has been assigned in the Act, bears the meaning so assigned and, unless the context otherwise indicates—

"IMO"

means the International Maritime Organization, a specialised United Nations Organisation established on 17 March 1948 in terms of the International Maritime Organization Convention of the United Nations concluded in London, United Kingdom in 1948;

"machinery spaces"

means spaces containing propulsion machinery, boilers, fuel oil units, steam and internal combustion engines, generators, major electrical machinery, oil filling stations, refrigerating, stabilising, ventilating and air conditioning machinery and similar spaces, and trunks to such spaces;

"maximum load line"

means the maximum legal limit up to which a vessel may be loaded with crew, passengers, cargo, consumables and various gear;

"sanitary accommodation"

means washing accommodation and accommodation containing water closets OT urinals;

"sleeping room"

does not include hospital accommodation;

"tons"

means gross tonnage;

"trunked mechanical ventilation system"

means a system of ventilation complying with the specifications set forth in the Annex 1 of these Regulations;

"washing accommodation"

does not include—

"watertight, gaslight, or oiltight structure"

means any structure in which the openings, other than ventilation openings necessary for the admission of air from passageways to sanitary accommodation, laundries, drying rooms or galleys, are provided with means of closure which will enable such openings to be made watertight, gastight or oiltight as the case may be.