Workers Observing Train Operations in an Underground Infrastructure Environment
Keywords
men at work,
train,
infrastructure,
underground,
concept,
team,
safety,
helmet,
construction,
project,
engineering,
transportation,
tunnel,
railway,
labor,
maintenance,
industrial,
professional,
construction site,
teamwork,
machinery,
technology,
logistic,
development,
urban,
planning,
service,
system,
operation,
management,
inspection,
design,
environment,
work,
manpower,
modern,
efficiency,
training,
support