英文關鍵字
solar
panel
photovoltaic
energy
install
renewable
installation
power
electrical
worker
installer
man
alternative
gentleman
ladder
technology
station
person
male
global
safety
electricity
sky
electrician
industrial
blue
cells
maintenance
outdoors
support
structure
climb
industry
fuel
modern
staircase
helmet
technician
innovation
ecology
generation
efficiency
sustainable
system
human
clouds
construction
service
sunny