A construction worker drilling into a concrete wall at a construction site.
Palabras clave
construction,
men at work,
drilling,
concrete,
wall,
tool,
safety,
helmet,
labor,
industry,
equipment,
site,
manual,
effort,
skill,
building,
machinery,
task,
progress,
structure,
repair,
project,
maintenance,
technique,
design,
architecture,
surface,
teamwork,
safety-gear,
environment,
urban,
job,
installation,
precision,
technology,
hard hat,
harness,
scaffolding,
labourer,
performance,
durability,
strength,
material,
foundation,
noise,
energy,
workshop,
development