For the purposes of section 252(1)(b) of the Act, a ship sustains material damage affecting the seaworthiness or efficiency of the ship where there is —
(a) a collapse or bursting of any pressure vessel, pipeline or valve;
(b) a collapse or failure of any lifting equipment, access equipment, hatch-cover, staging or boatswain's chair or any associated load-bearing parts;
(c) a collapse of cargo, unintended movement of cargo or ballast sufficient to cause a list, or loss of cargo overboard;
(d) a snagging of fishing gear which results in the vessel heeling to a dangerous angle;
(e) contact by a person with loose asbestos fibre except when full protective clothing is worn;
(f) an escape of any harmful substance or agent; or
(g) a dangerous occurrence of a kind specified under Schedule 1.