'Wrist Trainer', artificial lower arm, England, 1998
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Glossary: teaching aid
A tool used by teachers, facilitators, or tutors to help learners improve reading and other skills,or to illustrate or reinforce a skill, fact, or idea. They can often combat anxiety or boredom, as many teaching aids are like games.
Artificial body parts, or materials inserted into tissue for functional, cosmetic, or therapeutic effect. Prostheses can be functional (artificial arms and legs), or cosmetic (artificial eye).
Glossary: artificial arm
trial term S&H