機器
adjustable
arm
auto
background
big
bolt
caucasian
construction
engineer
equipment
finger
fist
giving
hand
handle
handyman
holding
human
improvement
industry
iron
isolated
manual
mechanic
metal
object
part
person
repair
repairman
screw
screwdriver
service
silver
single
spanner
steel
technology
tool
white
work
worker
wrench