英文關鍵字
background
board
building
button
control
danger
data
design
development
device
display
eco
electric
electrical
electrician
electricity
electronic
employees
energy
environment
equipment
factory
generation
generator
industrial
industry
instrument
interior
lab
manufacturing
metal
meter
nuclear
panel
plant
power
production
room
safety
scale
secret
station
supply
switch
system
technical
technology
voltage