advanced meter training

  • Advanced Open Water Diver (AOWD)

    The Advanced Open Water Diver (AOWD) is a Professional Scuba Association International (PSAI) advanced-level certification course. Where other agencies may only require an extra weekend of diving for an Open Water Diver to become an “Advanced” Open Water Diver. PSAI believes that the term Advanced Open Water Diver should truly reflect ...

    By Bristol Channel Diving Services based in Cardiff, UNITED KINGDOM. from Advanced Open Water Diver (AOWD) Training line

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