機器
background
break
breaker
breaking
build
builder
building
cement
concrete
construction
dangerous
demolition
destroy
drill
drilling
engineering
equipment
floor
hammer
hand
hard
heavy
hole
house
industrial
industry
jackhammer
job
labor
machinery
maintenance
male
man
manual
mason
outdoor
people
person
power
repair
road
service
site
strong
technology
tool
wall
work
worker