Points out the importance of a pleasing voice that can be heard and understood. Shows how to correct common voice faults which are due mostly to carelessness.
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Illustrates field testing of steel shot in shotguns, which can be used instead of conventional lead shot, by hunters in order to avoid lead poisoning in waterfowl.
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Shows the life cycle and methods of treatment for infection by Ascaris lumbricoides, a human parasitic worm, and the sanitary steps needed to prevent infection.
Buy this on DVD. $10.00
(Currently out of online stock)
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