Theodolite instrument for measuring land angles during construction.
Schlüsselwörter
instrument,
measure,
measuring,
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digital,
distance,
precise,
precision,
laser,
machine,
construction,
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work,
building,
industry,
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masonry,
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hard,
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street,
men at work,
man,
male,
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road,
person,
engineer,
architect,
object,
surveyor,
land,
telescope,
geodesy