Building codes and safety standards
Schlüsselwörter
safety,
person,
hard hat,
photo,
code,
helmet,
protection,
color image,
industry,
construction,
building,
electrician,
horizontal,
no people,
occupation,
male,
regulation,
signs,
symbol,
collar,
hard,
hat,
job,
labor,
maintenance,
mechanic,
mechanical,
man,
panel,
power,
profession,
professional,
real,
repair,
repairman,
skill,
standard,
tool,
trade,
men at work,
electrical,
energy,
fuse,
industrial,
manual,
wire,
work,
breaker,
copper
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