Yellow helmet safety , Hard hat equipment protection worker Engineer technician employee , Labor day concept
Palabras clave
head,
contractor,
engineering,
construction,
labour day,
employee,
engineer,
men at work,
foreman,
hard hat,
safe,
production,
builder,
technician,
structure,
corporate,
maintenance,
project,
building,
professional,
development,
plastic,
protective,
architect,
security,
hard,
protect,
site,
work,
equipment,
industry,
safety,
industrial,
tool,
helmet,
yellow,
business,
background,
architecture,
job,
hat,
hard hat,
protection