Knowledge course and first use of Nitrox mixtures, used within the
no decompression curve and within 40 metres. It can seem not very
much but it really offers a general outline about the Nitrox Mixtures.
For this reason it is so different from classical Nitrox Courses:
the P.T.A. Nitrox Course is not very hard but it is a good syllabus
about pure Technical Didactic, and it is based on Technical Didactic:
the subject is studied in all his parts and a lot of notions are
done to use them afterwards.
In short, it is a very dense course, important theoretic basis for
the next technical courses.
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