Your desk and mat

Set up your desk

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  Use a stable surface with room for your arms, timer and puzzle. Keep drinks away from electronics.
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  Attach the timer to a compatible mat according to its instructions. The mat cushions the puzzle; do not throw the puzzle onto it.
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  Practise starting and stopping with the actual timer mode used by your competition.
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  Place recording cameras outside your hand path. Ask permission before filming other people, especially children.