英文關鍵字
background
brick
builder
building
cement
circle
circular
clip
concrete
construction
core
cutting
demolition
diamond
dirty
drill
drilling
electric
electrical
equipment
footage
grinder
heavy
hole
industrial
industry
instrument
labor
machine
machinery
man
mechanic
outdoor
power
powerful
pressure
rotary
screw
service
site
small
stone
structure
technology
tool
torque
wall
white
work
worker