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Wellcome to

CERMAKS, the website of J. J. Cermak

This site contains information about our Activities especially in

CMAS diving courses, UWATEC oil supply, Environmental Sampling, Analysis, Diving Activities, Special Chemicals supply and others.

Environmental Services as Sampling, Analysis, Analytical Results Interpreting, Environmental Assessment etc...

We are Suppliers of some Special Chemicals, like Oil, which we use as a replacement oil for UWATEC Aladin

CMAS Diving Courses, Special Diving Courses and further Education and Training

We are doing on it