Ear-mold Laboratory Technician
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Makes wax pattern of ear and molds plastic impression of ear
for use in hearing aids, using handtools, grinder, and polishing
wheels: Forms red designing wax into shape of ear, using
spatulas, brushes, and gas burner. Mixes ingredietns to make
plaster and pours it over wax pattern to form plaster mold of
ear. Removes plaster mold from wax pattern. Mixes ingredients to
make platsic compound and pours it into plaster mold to form
impression of ear.
Applies hot and cold water and air to mold to
harden plastic liquid in cavity of mold.
Removes rough catsing
of ear from mold. Grinds and polishes casting to obtain plastic
ear impression, using electric grinder and polishing wheels.
Exaimnes impression for blemishes, and places it in box for
shipment.
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Ear-Mold Laboratory Technician
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