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Which is safer? A cave lined with a segmented line system which has 10' gaps
which are clearly marked with double arrows and which a diver must deploy a
reel to safely traverse that gap

OR 

A single line system of T'd lines that have clearly marked double arrows
pointing to the exit on the inbound side of each T and on which one would
deploy a clip on the exit side?

If you gave both systems to a reasonably intelligent unbiased panel of
divers with all the relevant facts, which would they choose?

Is a T safer than a gap?

Any input would be appreciated.

Later,

JoeL

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