отвинчивать винт
• Remove the right-hand amplifier mounting bracket by extracting the two screws in the side of the instrument case.
• Remove (or Take out) the screws at the left-hand end.
• Undo the four screws at the four corners of the plate.
• Unscrew (or Withdraw) the screws securing the clock base to the plate.
Источник:
Русско-английский научно-технический словарь
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