construction workers
Palabras clave
active,
activity,
assembling,
assembly,
building,
concrete,
construction,
danger,
elevation,
erecting,
erection,
floor,
hazardous,
helmet,
industrial,
industry,
installation,
man,
people,
personnel,
place,
protection,
raw,
safe,
scaffolding,
site,
staff,
structure,
team,
unfinished,
uniform,
work,
men at work,
workplace,
platform,
harness,
rope,
secured,
tool,
tool,
hammer,
sky,
blue,
attached
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