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Page "Cave diving" ¶ 54
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If and diver
If divers are scoring 8 or 9 on most dives, it may be a sign of their extreme skill, or it may be a sign that their dive list is not competitive, and they may lose the meet to a diver with higher DDs and lower scores.
If the diver pauses during his or her hurdle to ask for a change of dive, it will be declared a balk and the change of dive will not be permitted.
If the bezel could be turned the other way this could suggest to a diver that the elapsed time was shorter than the truth, thus giving a falsely low elapsed time reading and therefore an assumed falsely low air consumption reading and falsely high remaining air reading, all of which could be highly dangerous.
* If the rgulator free-flows and freezes, the diver should close it down and switch to the backup, and terminate the dive.
If the diver is over-weighted, the suit may contain additional air to offset the extra weight ; migration of this air, particularly to the legs when the diver is not upright, can cause the diver to " invert " to a legs-up position that makes venting the drysuit difficult ( see more on this problem, in the following section below ).
If there is more air in the dry suit than is needed to counteract " squeeze " on the undersuit, that excess air creates a " bubble " which moves to the highest point of the suit ; in an upright diver this is the shoulders.
If the diver is positively buoyant and rising, the buoyancy of the dry suit becomes uncontrollable after rising though a certain fraction of depth, and there is then an increased risk of a rapid ascent which grows more rapid, as the distance to the surface decrease.
If currents are not properly managed, they can cause serious problems for the diver.
If any one of the three light sources fail for one diver, the dive is called off and ended for all members of the dive team.
If the diver persists, the shark will either retreat or launch a rapid open-mouthed attack, slashing with its upper teeth.
If the heater fails and a backup unit cannot be immediately brought online, a diver in the coldest conditions can die within minutes ; depending on decompression obligations, bringing the diver directly to the surface could prove equally deadly.
If the diver rises, by even the most minuscule amount, the pressure on the bubble will decrease, it will expand, it will displace more water, and the diver will become more positively buoyant, rising still more quickly.
If the fish is too large to hang on to, the diver can tie it off or release it, only losing his spear and rope.
* If the diver's exposure suit is made of a compressible gas-filled material such as foamed Neoprene, the volume of the material will change ( Boyle's Law ) as the pressure changes when the diver descends and ascends.
If the diver needs to adjust trim for greater comfort and efficiency while working, trim weights of various types may be added to the harness.
If a helmeted diver becomes unconscious but is still breathing, the helmet will remain in place and continue to deliver breathing gas until the diver can be rescued.
If the weights have a method of quick release, they can provide a useful rescue mechanism: they can be dropped in an emergency to provide instant increase in buoyancy which may return the diver to the surface.
If by force of habit the diver does the same with a rebreather that has a plain mouthpiece instead of a full-face mask, that water will get into the breathing circuit.
; W-Weights: If a weight belt is worn, check that the belt is secure, and the strap arranged so that it can be released with the right hand of the diver.

If and accidentally
If BCG is accidentally given subcutaneously, then a local abscess may form ( a BCG-oma ) that can sometimes ulcerate, and may require treatment with antibiotics.
If BCG is accidentally given to an immunocompromised patient ( e. g., an infant with SCID ), it can cause disseminated or life-threatening infection.
If a mismatch is accidentally incorporated, the polymerase is inhibited from further extension.
If you have ever tried to make a call out on a PBX, and been accidentally connected to an incoming call, you have experienced glare.
If a being is accidentally omnipotent, then it can resolve the paradox by creating a stone which it cannot lift and thereby becoming non-omnipotent.
If eaten ( accidentally or otherwise ), the larvae can pass through the digestive system alive ( human stomach acids do not usually kill them ) and live for some time in the intestines.
If eggs accidentally roll out of the nest both sexes will retrieve the egg using the neck ( in other swan species only the female performs this feat ).
If hand-washing detergent is accidentally used, the foam may be removed by spraying with salt, and the dishwasher should be forced into a drain cycle to remove the detergent and water.
If you read my cartoons about the small cute dog in the parallel universe who accidentally becomes president — it was basically a movie about the small cute dog, except that he gets lost and ends up in this war zone.
If the surgeon accidentally cuts through the innermost layer of the esophagus, the perforation may need to be closed with a stitch.
If one is accidentally killed, many communities in Igboland will still build a coffin for the snake's remains and give it a short funeral.
If a boat turns to leeward too far, or sails " by the lee ", the boat can jibe accidentally if the lee side of the sail catches the wind, causing the boom to swing across the boat quickly.
If so, he accidentally made a crude rebreather more than two centuries before Saint Simon Sicard's patent.
If I continue to record I might accidentally write the answer song to ' Shiny Happy People '.
If the user accidentally used a high-density diskette in the 360 kB drive, it would sometimes work, for a while, but the high-coercivity oxide would take a very weak magnetization from the 360 kB write heads, so reading the diskette would be problematic.
If a water bottle was accidentally tipped up or leaked, it could mean no water for its owner, for perhaps 24 hours in extreme temperatures.
If, at a later time, additional components are added to the software using the original media, there is a risk of accidentally mixing older and updated components.
If ordered to kill someone while in cryostasis, he is compelled to carry out the command ; several students accidentally turn him into slasher movie-style killer by giving many confusing commands in this manner.
If users of these applications accidentally entered a wrong host name, instead of a meaningful " host not found " error they would get a " request timed out " error, making it look like the server exists but is not responding.
If created accidentally, a blank cheque can be extremely dangerous for its owner, because whoever obtains the cheque could write in any amount of money, and would be able to cash it ( to the extent that the chequeing account contains such funds, also depending on the laws in the specific country ).
If one is to believe Delafosse, he was " accidentally killed by an arrow during a ceremony.
If the food is accidentally ingested and a systemic reaction ( anaphylaxis ) occurs, then epinephrine should be used.
If I had accidentally uncovered any information, I would have gone right to the FBI.
If tags are accidentally torn off, the airport may not know where to send the luggage.

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