Male technician in blue uniform and safety helmet adjusting a large valve in a modern gas processing plant.
Palabras clave
adjusting,
valva,
industrial,
uniform,
processing plant,
technician,
engineering,
men at work,
manual,
handling,
machinery,
safety-gear,
professional,
control,
system,
maintenance,
operation,
industry,
heavy machinery,
production,
infrastructure
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