選択的
angulations
area
brick
building
checking
close
closeup
construction
device
engineer
engineering
equipment
exact
focus
geodesic
geodesy
hardhat
helmet
industrial
industry
instrument
level
leveling
look
machinery
man
measure
measurement
optical
orange
points
position
safety
single
steel
technique
technology
theodolite
theodolitelevel
tool
total
transit
up
use
work
workplace