theodolite measuring instrument on white background
Schlüsselwörter
engineer,
instrument,
engineering,
measurement,
survey,
equipment,
surveying,
site,
construction,
technology,
development,
geodesy,
topography,
level,
men at work,
distance,
cartography,
surveyor,
inspection,
measure,
precision,
position,
geodesic,
optical,
land,
station,
tool,
building