勤務時間 (きんむじかん) — office hours; business hours; working hours
勤務時間
き ん む じ か ん
Office hours; business hours; working hours
勤務時間中
に
煙草
を
吸
ってはいけない
。
Don't smoke while you are on duty.
Image search

勤務時間 (きんむじかん) — office hours; business hours; working hours
