control of staff entries and exits
/kəntɹˈəʊl ɒv ˈstaf ˈɛntɹiz and ˈɛɡzɪts/
n
English · control of staff entries and exits中文 · 员工出入登记Español · control de entrada y salida del personalFrançais · contrôle des entrées et sorties du personnel
Bedeutung：Prison staff such as guards, cooks and educators are required to sign in and out.