escalator, stairs, staircase
vinyl, plate, music
phone, business, person
music producer, man, microphone
mercedes, daimler, automobile
camera, film, photography
windmill, sky, moon
telescope, insight, outlook
camera, slr, dslr
camera, analog, twin-lens reflex
industry, power pole, power line
drill, milling, milling machine
canon, powerglass, ipod
propellers, aircraft, detail
nuclear power plant, cooling tower, water vapor
wind power, energy, wind energy
