英文關鍵字
adjustable
adult
angry
background
cell
checking
clothing
control
electric
electrical
enclosure
engineer
engineering
foreman
gear
guy
hard
hat
helmet
industrial
industry
isolators
jacket
job
looking
male
man
men
near
objects
occupation
one
outdoor
outdoors
phone
picture
pole
power
profession
professional
protection
safety
separator
station
substation
tablet
take
tensioner
the
transformers
vest
with
worker
working
wrench