Exam (elaborations)
SDI Open Water (Ch 3- Scuba Equipment)-exam questions with answers
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What is the main purpose of a snorkel? It's used when a long swim on the surface is required in order to conserve air in the tanks. How do you know if a mask fits correctly? 1. Press the mask against your face without using the strap 2. Make sure there's no hair under the skirt of the mask...
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