There are 2 types of buoyancy. What is the lie, mouth and nose emerge from the water to breathe, or lie flush with the trunk, floating water and looks up, breathing it. Another way is to float into place using arms, press down the water wipe out. Pull the khaenklap came and press down into the water again. Similar manner draw number eight in the water. Repeat repeated pedal leg lightly, similar tha frog Don't want the knee too much. Try to keep the head beyond. This posture will be able to use hand-waving.
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