tablet, ipad, read
pc, computer, mac
photovoltaic system, solar, solar energy
hdd, computer, laptop
power plant, cooling tower, coal-fired power station
turbine, jet engine, aircraft
pen, notebook, notepad
phone, technology, mobile
camera, photo-camera, sony
camera, lens, photography
cat, work, technology
milling, drill, cutting tools
mountain bike, bike, wheels
