White safety helmet on technical documents at construction site, safety and planning in architecture
Schlüsselwörter
helmet,
safety,
construction,
document,
planning,
architecture,
blueprint,
site,
building,
crane,
hard hat,
engineering,
preparation,
industry,
development,
project,
protective,
equipment,
documentation,
unfinished,
concrete,
urban,
design,
infrastructure,
structural,
civil,
work,
blueprint,
manual,
technical,
professional,
machine,
landscape,
secure,
management,
contract,
print,
open,
field,
paper,
sheet,
tool
Deutsch
