機器
accessibility
carpentry
construction
contractor
cordless
drill
driver
driving
elecrtic
electric
electricity
employment
equipment
gardening
hand
hole
household
instrument
isolated
measurement
men
motor
object
occupation
power
quality
red
repairing
safety
screw
screwdriver
silver
single
speed
steel
technology
tool
torque
turning
twisted
white
wood
work
worker
yellow