英文關鍵字
alternative
basis
battery
builder
concept
construction
dril
drill
ecology
electricity
energy
engineer
environmental
equipment
fix
fixing
green
grid
hard
hat
industry
innovative
inspecting
installation
instrument
job
maintenance
male
man
metal
modern
motion
mounting
panel
passive
photovoltaic
plant
power
professional
progress
project
renewable
repair
screwdriver
service
slow
solar
station
sunlight
technician
technology
tool
uniform
worker
working
wrench