also: ゆびさしかんこ
noun
Occupational safety method where a worker points at an object and states its status aloud to confirm safety. Often used in Japanese railways and factories. Related to 指差し確認.
See also: 指差し確認
鉄道員は信号を指差喚呼で確認する。
Railway workers confirm signals by pointing and calling.
工場では指差喚呼が事故防止に役立っている。
In factories, pointing and calling helps prevent accidents.
指差し確認 is the more common term for the same safety practice; 指差喚呼 emphasizes the vocal calling aspect.
Compound of 指差し (pointing) and 喚呼 (calling out). The term is a technical coinage for a specific occupational safety procedure.