機器
alas
bit
boring
box
brick
builder
building
cable
chisel
coating
concrete
construction
cup
demolition
diamond
disk
drill
drilling
electric
electrician
equipment
grinder
hammer
hands
hole
home
industrial
industry
jack
jackhammer
man
marking
master
perforator
pneumatic
power
preparation
professional
project
reconstruction
repair
rotary
safety
technical
tool
wall
wiring
worker
workman