To avoid whiplash, the center of the headrest must be your ears.
a. higher than
b. even with
c. lower than
d. around

Question

Engineering: To avoid whiplash, the center of the headrest must be your ears. a. higher than b. even with c. lower than d. around

amllamas4972 · Accepted Answer

The square welds are the most economical for pieces thinner than 3/8”, because they don't require the edge to be prepared. Double-groove welds are the most economical for thicker pieces because they require less weld material and time.

Explanation:

To avoid whiplash, the center of the headrest must be your ears. a. higher than

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