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Automatic block with restricted permissiveness

railway signaling system used in France

Pronunciation
/ˌɔdəˈmædɪk blɑk wɪθ rəˈstrɪktəd pərˈmɪsɪvnəs/
/ɔːtəˈmatɪk blɒk wɪð rɪˈstrɪktɪd pəˈmɪsɪvnəs/