Railway track maintenance worker tightening bolts in underground train tunnel using torque wrench
Schlüsselwörter
railway,
track,
maintenance,
men at work,
tunnel,
underground,
train,
rail,
mechanic,
repair,
wrench,
torque,
bolt,
fastening,
industrial,
infrastructure,
safety,
tool,
railroad,
subway,
subway,
coverall,
uniform,
construction,
transportation,
closeup,
manual,
labor,
hand,
precision,
inspection,
service,
engineer,
workshop,
corridor
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