An underground subway maintenance depot, with trains undergoing repairs and maintenance
Palabras clave
depot,
subway,
track,
rail,
maintenance,
repair,
mechanic,
electrician,
drilling,
welding,
commuter,
platform,
grinding,
cleaning,
pneumatic,
engine,
locomotive,
carriage,
bolt,
nut,
component,
power,
safety,
performance,
schedule,
testing,
diagnostic,
measurement,
ventilation,
wiring,
union,
cable,
lighting,
personnel,
technology
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