| http://www.w3.org/ns/prov#value | - A device according to any preceding claim further comprising a rewinding or re- spooling mechanism arranged to rotate the drum to rewind the safety line onto the drum in the absence of sufficient tension in the safety line to pay out the line. 2 LA device according to any preceding claim including locking means actuatable to securing the shaft/rotational transmission member against rotation in a f
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