With reference to structural fire protection in passenger ship accommodation spaces: (a) Define the meaning of EACH of the following: (i) Class A bulkheads; (3) (ii) Class B bulkheads; (3) (b) where A Class bulkheads have to be penetrated, explain how the integrity of the bulkhead is retained with respect to EACH of the following: (i) Doors; (2) (ii) Ventilation trunking. (2)
UKM Tuticorin 
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