Main Sections
Event calendar
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18 Feb 2009 - 22:00 - 21 Feb 2009 - 22:00Moscow -
20 Feb 2009 - 08:00 - 22 Feb 2009 - 16:00Rosemont, IL - USA (Chicago) -
22 Mar 2009 - 03:00 - 23 Mar 2009 - 03:00Sydney, Australia -
22 Mar 2009 - 10:00 - 29 Mar 2009 - 20:00İstanbul, Turkey -
3 Apr 2009 - 02:00 - 5 Apr 2009 - 09:003-1 Higashi Ikebukuro, Toshima- ku, Tokyo JAPAN
Photo & Video Events
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23 Nov 2008 - 07:00 - 3 Dec 2008 - 14:00Tulamben, Bali -
28 Nov 2008 - 18:00 - 30 Nov 2008 - 18:00Aliwal shoal
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17 Jan 2009 - 10:00 - 24 Jan 2009 - 10:00Grand Cayman -
21 Mar 2009 - 00:00 - 29 Mar 2009 - 00:00Islas Revillagigedos - also known as Socorro Island(s)
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3 Apr 2009 - 02:00 - 5 Apr 2009 - 09:003-1 Higashi Ikebukuro, Toshima- ku, Tokyo JAPAN -
31 Oct 2009 - 10:00 - 9 Nov 2009 - 18:00Lembeh Straits, Indonesia
Redundancy
In the world of technical diving, a direct ascent to the surface is not an option if you run into a problem or emergency. For this reason, technical divers are required to carry back-up systems to resolve problems associated with equipment malfunction during a dive.
But what about the rest of us?

Published in X-Ray Issue:
04 - Apr 2005
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Redundancy
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Redundancy

