Road construction with yellow lines and machinery in a work zone.
Schlüsselwörter
road,
construction,
machinery,
men at work,
safety,
traffic,
cone,
asphalt,
line,
marking,
tool,
site,
equipment,
labor,
industry,
urban,
infrastructure,
vehicle,
environment,
project,
yellow,
warning,
area,
concrete,
design,
planning,
maintenance,
manual,
transport,
landscape,
weather,
cloudy,
progress,
development,
engineering,
precision,
measurement,
marking,
layout,
improvement,
work,
hazard,
zone,
installation,
men at work
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