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Wax model with sprues
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The wax model has a number of sprues (red) attached and is placed into a steel cylinder which is filled with investment... a high-temp. plaster.
The wax is burned out, leaving a hollow mold into which molten metal is poured.
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Wax_model_w_sprues.jpg
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low_angle_plane-rough.JPG
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three_small_plne_bodies.JPG
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three_small_plane_bodies-2.JPG
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