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Automatic train protection
/ˌɔːtəmˈatɪk tɹˈeɪn pɹətˈɛkʃən/
/ˌɔːɾəmˈæɾɪk tɹˈeɪn pɹətˈɛkʃən/
Automatic train protection
01
a safety system installed on railways to prevent accidents caused by human error
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a safety system installed on railways to prevent accidents caused by human error