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R1 extends arm
When the R1 extends his/her arm prior to whistle/signal for serve, the coach must be seated. Is there any other situation where extending the arm has significance?
Libero replacements must be done before the whistle/signal. Substitution requests must be made before the whistle/signal. Same with time out requests.
Am I forgetting any situations?
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"It is not enough to do your best; you must know what to do, and then do your best." - W. Edwards Deming
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