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- The stage of the regulator which reduces tank pressure is:
- Two types of materials that scuba tanks are made from are steel and _________.
- The _________ line is the direction of travel line on the compass.
15. The dive knife is used primarily as a _________ for digging, cutting, pounding and prying.CorrectIncorrect
- Stamped (engraved) markings on scuba tanks include:
- Atmospheric pressure at sea level is:
- A sealed balloon filled with air that has a volume of 6 cubic inches at 99 feet will have a volume of ____________ at 33 feet.
19. Sea water weighs:CorrectIncorrect
20. Which gas law best explains diving medical problems such as ear and sinus squeeze?CorrectIncorrect
- You should have your regulator serviced by a certified repair technician