Aluminum scuba diving cylinders, one is being refilled, on the back deck of a diving boat

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Aluminum scuba diving cylinders, one is being refilled, on the back deck of a diving boat, three have a nitrox making

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Size: 3421px × 5132px
Photo credit: © O.D. vande Veer / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: boat, cylinder, deck, diving, equipment, nitrox, pressure, recreation, scuba, sport, tank, valve, yellow