Hi ,
in a few weeks the new book from www.scuba-publications.com will be available: Compressor Handling & Nitrox Installations. It will be the first book on compressors and Nitrox filling in a single volume that is aimed at divers and dive professionals, rather than on technicians.
You can win a copy of this book.
Participate at least 4 times in the theorie test on: http://www.instructor-training.com/english/library/test_your_knowledge.asp
The average of your four highest scores count - the person with the highest average is the winner. Should there be more than one person with an average of 100% (which is unlikely) then the winner is the one who needed the fewest attempts to climb up to that average.
We wish you success!
Daniela & Jan
www.instructor-training.com
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