Tìm kiếm
Signal maintainer
/sˈɪɡnəl meɪntˈeɪnə/
/sˈɪɡnəl meɪntˈeɪnɚ/
Signal maintainer
01
a person who ensures that train signals are functioning properly and safely
Tìm kiếm
a person who ensures that train signals are functioning properly and safely