engineer walking and check track work on railways. people walk on railway.
Palabras clave
asian,
checking,
company,
concept,
construct,
construction,
contractor,
control,
electrical,
employee,
employment,
engineer,
engineering,
environment,
equipment,
helmet,
industrial,
industry,
infrastructure,
inspection,
installation,
job,
machine,
maintenance,
management,
manufacturing,
metal,
occupation,
perspective,
project,
rail,
railroad,
rail,
railway,
safety,
site,
steel,
success,
switch,
track,
track,
train,
transport,
transportation,
work,
men at work,
men at work,
workshop
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