Efficiency
Low angle view of illuminated lights on ceiling at night
Midsection of man working on wood
Midsection of man preparing cookies with dough at counter
Smiling couple by illuminated string lights at night
Businesswoman and businessman discussing over digital tablet while workers working in background at warehouse
Aerial view of communications tower against sky
Painted red and white old electric light bulb on christmas tree. diy decoration
Close-up of light bulb in the corner
Aerial view coal power plant station and steam in the morning mist, mae moh, lampang,
Illuminated christmas lanterns hanging for sale in store at night
Full frame shot of light painting against black background
Illuminated energy efficient lightbulb above bird figurines at night
Woman holding illuminated fluorescent light at home
Low angle view of communications tower against blue sky
Close-up of lighting equipment against window at home
Young female potter maker work with clay on pottery wheel in creative space or professional studio
Low angle view of illuminated road track at night
Close-up of illuminated light bulb
Close-up of illuminated light bulb
Cheese factory worker applying wax on cheese
Close-up of steering wheel
Close-up of network server
Portrait of confident senior businesswoman in car
Man working on machine in industrial factory
Close-up of illuminated light bulbs
Close-up of blue pipes on table
Illuminated light bulbs at night
Low angle view of road signal against blue sky
Full length of couple with electric push scooters using mobile phones while standing on street in city
Sunrise at powerplant in copenhagen
Low section of manual worker grinding metal at workshop
Artist tattooing on thigh of woman at studio
Man working on wood
Men working in workshop
Low angle view of overhead cable car against sky
Smiling young woman standing against illuminated lights at night
Low angle view of lighting equipment hanging against clear sky
Electrical socket with front unscrewed
High-angle view of multi-colored antibiotic capsule pills on stainless steel tray and blue
Mirror on table amidst illuminated lighting equipment in room
Low angle view of young woman touching ceiling while sitting on wooden structure
Side view of young man riding electric push scooter on bridge in city
From above anonymous beautician in uniform and face mask drawing with pencil preparing to do laser lipolysis to female client during work in aesthetic clinic
Stormy weather with lightnings in the city of cluj-napoca.
Midsection of man using electric saw while sawing wooden plank in yard
Senior man using tablet with architectural plan
Low angle view of power lines against sky
Close-up of clock against black background
Light trails against sky at night
Senior manager in office sitting on chair talking on the phone
Jars on table at home
Rumania, radauti, woodworking, worker checking standing in front of blast furnace
Memorial benches
Low angle view of street light against sky
Snow covered mountains against blue sky
Panorama aerial view transmission tower and beautiful morning smooth fog. mae moh, lampang.
Aerial view of ship sailing in sea
Close-up of illuminated light bulb
Interior of industrial workshop or shop inside for production of automotive wiring.
Low angle view of electricity pylon against cloudy sky
50-year-old man trying to repair old amplifier with great effort
Low angle view of illuminated lighting equipment hanging on wall
Close-up of electric lamp hanging on wall
Two men with plan wearing safety vests talking on construction site
Welder working in an industrial factory
Man and woman sharing smart phone while standing by electric car
Street light against wall
Manual mechanical steel iron metal wire bending device in a construction site.
Two senior colleagues working together at desk in office discussing photos
Female maintenance engineer working while kneeling under solar panels at power station
Crop tailor using tape to measure sleeve of handmade white dress while working in studio in daytime
Serious doctor talking to patient in medical practice
Close-up of man smoking while holding illuminated lighting equipment against black background
Road sign in illuminated city at night
Telephone line against clear blue sky
Low angle view of satellite dish
Midsection of man working
Two men with plan wearing safety vests talking in building under construction
Portrait of confident female engineer standing with hand on hip near solar panels in field
Railroad tracks amidst buildings in city against sky
Full frame shot of solar panel
Wind turbines on land against sky
Close-up of computer outlet
Low angle view of silhouette workers standing on electricity transformer during sunset
Technician sitting on chair working in electronics laboratory
Narrow alley amidst buildings in town
Low angle view of electricity pylon against sky
Side view attentive adult female master in apron doing nail extension for customer sitting at table near window in light salon
Portrait of female entrepreneur standing near fabric swatches and fashion designs on table
Man working in a modern factory
Senior manager in office sending voice mails
Instrument maker repairing trumpet in workshop
Used batteries from different manufacturers, waste, collection and recycling
Low angle view of illuminated christmas lights hanging at night
Teacher and students discussing over drone in classroom
Young woman working on computer equipment at home next to tablet
Boy listening music with headphones while sitting on chair
Low angle view of electricity pylon against sky
Electrician lifting solar panel into place on roof.
Senior female craftsperson working in jewelry workshop