喚かん呼こ

noun

verbal check; verbal confirmation

Railroad safety practice of calling out and confirming signals or conditions aloud. Also used more broadly for any verbal confirmation procedure.

• 運うん転てん士しは信しん号ごうを喚かん呼こで確かく認にんする。

  The driver confirms the signal with a verbal check.

• 安あん全ぜんのため、作さ業ぎょう前まえに喚かん呼こを行おこなう。

  For safety, a verbal confirmation is performed before work.