機器
adult
breaking
caucasian
challenge
concrete
construction
dangerous
demolition
destroy
dirty
drill
drilling
electric
equipment
feet
ground
hammer
hand
handwork
hard
heavy
holding
hole
improvements
industry
labor
machinery
male
man
manual
mason
noisy
occupation
operator
outdoor
people
person
power
rock
safety
scene
sound
stone
strength
strong
tool
white
work
worker