NEC POWERMATE VP Manual page 209

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Type with your hands and wrists floating above the
keyboard. Use a wrist pad only to rest your wrists
between typing. Avoid resting your wrists on sharp
edges.
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Type with your wrists straight. Instead of twisting your
wrists sideways to press hard-to-reach keys, move your
whole arm. Keep from bending your wrists, hands, or
fingers sideways.
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Press the keys gently; do not bang them. Keep your
shoulders, arms, hands, and fingers relaxed.
Setting Up a Healthy Work Environment A-7