A construction worker repairs a large pipeline in a trench. Safety helmet and tools are visible, highlighting essential labor.
Palabras clave
construction,
men at work,
pipe,
trench,
repair,
safety,
helmet,
industry,
work,
engineering,
pipeline,
labor,
zone,
manpower,
teamwork,
guideline,
right,
highlight,
handle,
manual,
maintenance,
large,
standard,
service
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