機器
background
black
camera
cleaner
close
close up
concept
device
diy
electrical
electrician
electronic
equipment
fitting
holding
home
house
indoors
installation
installer
lens
maintenance
metal
modern
nobody
object
occupation
one
person
professional
repair
repairman
screwdriver
security
setup
surveillance
system
technician
technology
tool
tools
up
video surveillance
white
wire
work
yellow