Scuba Diving Gear

Scuba Tank Bag

do these increase or decrease? 1.additional gas is added to a soccer ball. the pressure? 2. an inflated?

balloon is placed in a refrigerator the volume? 3.a piston in an engine compresses the gas into a smaller volume, the pressure?4.dry ice is sealed in a plastic bag, as the temperature increases, the amount of gas present in the bag?5.compressed air in scuba tanks cools off as a diver swims at deeper levels, the pressure in the tanks?6.the volume of an inflated balloon increases when the amount of gas in the balloon?7.a person sits on an air mattress,the pressure?

1. Increase
2. Decrease
3. Increase
4. Increase
5. Hmmm.... Interesante.... because while the decrease in temperature would normally decrease the pressure in the tank, that the swimmer is going deeper into the water would mean that the pressure outside the tank is increasing.... would that affect the pressure inside the scuba tank? Probably not, unless it was enough to compress the tank, but that's unlikely.... I'm going with DECREASE
6. Increase
7. Increase

Basically, all you need to know for this is PV=nRT and you're solid.

P-> Pressure
V-> Volume
n-> moles of gas (i.e. amount of gaseous substance)
R-> Gas constant
T-> Temperature

Hmmm...... Norrie may have a point to # 7. While the pressure of a person on an air mattress will probably deform it, (i.e. change its shape), does that change in shape affect the volume and in turn the pressure? It's questionable. It's definitely not decreasing the pressure. This is different from the scuba tank scenario because the container changes shape here (whereas a metal scuba tank is meant to withstand water pressure without deformation). I still think the pressure increases though. It's like if you squeeze a balloon with your hands. The outside pressure on the balloon changes its shape, but if you squeeze it enough, the air pressure in the balloon will overcome the rubber and force its way out (i.e. the balloon pops). On the mattress, a person laying on it is that outside pressure.

Scuba tank adapter $83.94 "Scuba Yoke" Fill Station

HPA Scuba Fill Station $36.95 HPA Scuba Fill Station Includes everything you need to fill up to 3000 PSI off of a SCUBA tank. Attaches to any aluminum SCUBA tank.

Scuba $13.59 Scuba

Kingman Scuba Charging Set $93.54 Scuba tank adapter, black hose. Probe is NOT included. Fits scuba tanks with a K valve.

Leisure Pro Scuba Tank Accessory Kit $47.99 Accessory kit for Leisure Pro 80 cu ft scuba tank Includes black tank boot, yellow tank cover & yellow K-valve protector

Scuba Fill Station $54.99 "Used to fill High-Pressure Systems From a Scuba Tank. For use with scuba tanks using the American Valve System. This adapter features a quick disconnect, tension knob, seal ring and a bleed knob to drain the system. "

Scuba Tank Bead in Sterling Silver $28 Sterling silver scuba tanks bead. (RC9161) Antique finish Compatible with Zable, Chamilia and Trollbead charm bracelets as well View entire Pandora Beads compatible collection here

Firstgear Silverstone Tank Bag $80.96 Firstgear Silverstone Tank Bag.

SPORTECH CRANKER TANK BAG $152.99 SPORTECH CRANKER TANK BAG

FIRSTGEAR SILVERSTONE TANK BAG $69.99 FIRSTGEAR SILVERSTONE TANK BAG

CORTECH MICRO TANK BAG $34.99 CORTECH MICRO TANK BAG

A Scuba Diver Inside a Large Metal Water Tank. Photograph by Heinz Zinram $19.99 Heinz Zinran A Scuba Diver Inside a Large Metal Water Tank. Photograph by Heinz Zinram - Photographic Print

Sterling Silver Scuba Divers Tank Charm $14.69 Charm is crafted of sterling silverJewelry depicts a scuba divers tank Charm features a clip on clasp that can be applied to any bracelet or chainWeighs 1.60 gramsMeasures 16 mm x 10 mmAll weights and measurements are approximate and may vary slightly from the listed information.

AirForce Scuba Refill Clamp with Gauge $78.6 Scuba yoke fill station 1/4" AirForce tank adapter Fits scuba tank with standard k-valve 1" diameter micro-gauge reads from 1-5,000 psi across one-third of the gauge face Product may not look exactly like the one shown. Universal! Fits long- & short-necked scuba tanks!

Mini Cortech Magnetic Tank Bag $80.99 Mini Cortech Magnetic Tank Bag.

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Cheap Onboard Air Bag System

A Hero With a Thousand Faces "finding Nemo"

Joseph Campbell has spent his outstanding life finding and mapping out the myths from all over the world that seemed to be built from the same “elementary ideas.” Gradually, all there is, is one story being told and retold in all sorts of different languages, times, names, and costumes, all stories are the same, which he named “The hero’s Journey,” or the “monomyth.” Campbell had written a book called The hero with a thousand faces which gathered the themes behind countless hero stories into one universal structure. His hero’s journey framework is now also applicable to movies and had indeed served as both inspiration and blueprint for his friend George Luca’s movie Star Wars. Chris Vogler a former Disney story analyst worked out a system for analyzing stories based on Campbell’s work. He then published a book called The Writer’s Journey, which is now used as the basis for many screenwriters. My objective is to adapt the movie Finding Nemo to Vogler’s movie version of the hero’s journey to describe the sequence.

The first stage starts with the departure, which is the first thirty minutes of the movie. This is where they introduce you to the hero, the problem that is throwing him out of balance, how he is called to move out of his ordinary world and start on the mission or quest. He then meets his mentor who is going to provide him with guidance. The hero then leaves the ordinary world and enters the “special world.” In the movie Finding Nemo, we meet Marlin a neurotic clown fish who loses his mate and most of their spawn after an intense shark attack in the opening of the movie. Miraculously, one egg survives; he names it Nemo, honoring his mate’s last wish, and vows to protect him with his life. As Nemo grows old enough to go to school, Marlin is deathly afraid to let Nemo leave the anomie they call home, though it’s clearly time for Nemo to start school. Marlin relents, but he finds himself unable to let Nemo out his sight for more than a minute without rushing to his side. When he finds Nemo venturing out into unsafe waters on a dare from his friends, he goes for him and only makes Nemo head off to make good on his friends’ dare, only to his luck gets captured by tropical fish scuba divers. Marlin attempts to rescue Nemo, but the divers blow him back in the wake of the motorboat. Though all seems lost, the fearful, Marlin heads off into the big bad blue to find his son, no matter how improbable his quest may seem. In his quest, he meets a Good Samaritan named Dory, a Regal Blue Tang fish with the worst short-term memory and biggest heart in the ocean. The two fish will continue on their journey to find Nemo who is now imprisoned in a dentist’s fish tank with several other tropical fish.

The second stage is the initiation, which is the next hour of the movie. Here is where we meet the Allies, Enemies, and they go through a couple of test. As the hero arrives the “special world” he will encounter a succession of challenges and obstacles, he will then meet a couple of characters, some who will assist him or her and others who will try and stop him. Having overcome the preliminary obstacles and challenges, the hero continues on his or her quest going into the most restricted place. This place is where the hero will find the object he or she is looking for, which could be something physical or something intangible. While being in the restricted place, the hero will find himself confronting the greatest obstacle. Using the knowledge the hero has gained from his or her mentor and other experiences the hero is finally able to obtain the object of his or her quest. As the two fish continue looking for the boat that took Nemo they meet Bruce who invites them to join him and his shark friends to a party that takes place in a sunken submarine. Bruce and his friend’s Anchor and Chum, are a part of a 12-step program for recovering fish eaters. For this, they each needed to take a fish friend. But once Bruce gets a whiff of blood, he falls off the program and reverts to his old ways. Meanwhile, Marlin spots the mask that one of the divers accidentally lost and takes it while trying to escape from Bruce who then accidentally sets off the bombs that are under water. Dory and Marlin ended up in a very dark place of the ocean where all they could see is a small light they couldn’t stop starring at, a light that turned out to be a razor-toothed angler fish. While trying to escape from the anglerfish Marlin discovered Dory knew how to read. So, using the anglerfish for his light, Marlin kept the fish chasing after him so that Dory could read the address on the mask. Dory was able to remember the address on the mask and along with Marlin escape from the anglerfish. They then came across to some moonfish that gave them directions to get to Sydney where Nemo was. But taking a wrong direction they come across some jellyfishes with a deadly sting. They have to swim across them and try not to get stunted but Dory don’t make it through. Marlin then went back looking for Dory and gets her out of there and on his way back out with her he gets unconscious and knocks out. When he wakes he finds himself in the Eastern Australian current where he meets Crush and his son Squirt. Here he sees how Crush gives his children the freedom to test themselves against trouble and learn from their mistakes. As they continue on their journey they come across a whale and Marlin is scared to ask for directions. As Dory asks the whale for directions Marlin’s under the belief that the whale wants to eat them not help them. Dory lets him know that sometimes you just have to learn to trust, and that he has to let go. He was then able to see that what the whale wanted was to help and take them to Sydney. He then came across a resourceful pelican named Nigel who takes him to the dentist office where Nemo is. He then finds Nemo in a bag with water about to be dumped in the garbage by a man, so he makes the pelican fly into the office so he could get Nemo but hen sees that Nemo is no longer moving. As the guy is able to get the pelican back outside Marlin is under the belief that he has failed and that his son is dead. But then Nemo with the help of the other pacific fishes in the aquarium is able to escape through the sewer system. Marlin, thinking he failed says good-bye to Dory and tries to go back home on his own. Dory then finds Nemo and they both go out looking for Marlin. They have finally found each other and nothing else is going to separate them. Nemo then tells Marlin that he doesn’t hate him.

The third and last part in the return, this would be the last thirty minutes to the movie. This is where on the hero is now going back home with the object of the quest. But it is still dangerous and the enemy might be in pursuit or the hero may undergo some sort of “death experience” Or the death of some certain hope or illusion or wrong notions or preconceived beliefs. Then is the process of rebirth, the hero has proven him or herself worthy. The hero goes back home and is now a different person in some respect, perhaps wiser or more caring or at peace with himself. As Marlin, Nemo, and Dory head back home Dory gets trapped in fishing net along with other fishes. Nemo then decides to help out and goes into the net telling the rest of the fishes to swim down, meanwhile Marlin tries to talk Nemo into coming back out. As Nemo sticks his head out and tells his dad he knows what he is doing, Marlin finds that it is time to let go and help out. As the fishes swim down the net breaks letting all the fishes go. Marlin has learned that it is now time to let go the illusion of safety and open up to the delights of letting Nemo explore all the wild possibilities. Thanks to Dory’s optimism, she continually forced Marlin to find courage to take risks and overcome his fears. In doing so, Marlin gained the ability to trust and believe, like Dory that things will work out in the end.

And this will complete the movie. So Campbell’s framework has helped many writers as it has helped screenwriters. It is also believed that a person’s life also carries the same pattern. I am not sure of that, but as far as myths, stories, and movies they are most likely to follow the same path. Joseph Campbell began the revolution in anthropology when he wrote his book The Hero With a Thousand Faces And it has continued since then.

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