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making (something) known to everyone; publicizing as widely as possible; dissemination
会社は新ルールを周知徹底した。
The company thoroughly communicated the new rule.
組合は改定合意の周知徹底を図った。
The union worked to ensure thorough dissemination of the revised agreement.
部長は全社員への避難訓練手順の周知徹底を指示した。
The manager issued an order for the thorough dissemination of the fire drill procedure to all employees.