Efficiency
Low section of man on ladder over fluorescent lights at store
Cropped image of female artist making tattoo on male customer hand
Aerial view of snow covered mountain range against sky
Low angle view of illuminated ceiling at subway station
Close-up of metallic equipment
Portrait of woman in illuminated room
Scenic view of road by mountains
Illuminated railroad crossing at night
Worker controlling machine while working in steel industry factory
Aerial view of roro vehicle carrier vessel parking for loading car at sea port.
Retro light bulbs hanging in department store, with decorate interior luxury
Crop anonymous beauty master shaving beard of client with straight razor during steam vapor treatment in hairdressing salon
Railroad station platform against clear sky at night
Low angle view of suspension bridge against cloudy sky
Low angle view of street light against clear blue sky
External wall insulation. renovation of a new building
Male scientist looking though microscope while man standing in background at laboratory
Aerial view of illuminated city against sky at night
Midsection of woman making cigar
Low angle view of electric lamp against blue sky
Close-up of person preparing food
Lightning in the night sky. thunderstorm over the city. stormy dark clouds and rainy weather.
Low angle view of silhouette overhead cable cars against orange sky during sunset
Unrecognized luthier woman in traditional workshop
Road amidst silhouette landscape against clear sky during sunset
Low angle view of illuminated light bulb in decoration
Low section of couple with illuminated string lights embracing at home
Close up photo of the metal machine in the laboratory
Man examining the system in factory
Defocused image of illuminated lights at night
Back view adult worker wearing uniform and protective face mask writing on clipboard while working in spacious storehouse
Railway signal amidst railroad tracks against sky
Aerial view industry factory oil and gas chemical tank and oil refinery and mountain at twilight
Cables against building in city
Midsection of woman holding illuminated led lights in darkroom
Close-up of man giving small machinery to baby
Close up cables
Low angle view of communications tower against blue sky
High angle view of shipping containers port illuminated at night
High angle view of townscape against sky
Portrait of male worker carrying chain while standing against rolled up steel sheets at factory
Midsection of man working
Midsection of person preparing food
Factory worker wearing uniform working on lathe with drilling machine in contemporary light craftsmanship
Low angle view of birds perching on cable against sky
Side view of young female customer shopping in store
Cropped hand of man playing guitar
Low section of manual worker making window frame at factory
Circle dance
Portrait of smiling worker leaning on wooden planks at industry
Cropped hands of tailor marking jeans with chalk on table in workshop
Midsection of person making heart shape with illuminated lights
Worker operating machinery in factory
Buildings in city against clear sky
Surgeons during operation
Cropped hand of person holding light bulb against sky
High angle view of traffic on city street and parked trucks with cargo container
Side view focused female worker in blue vest and face mask taking notes in clipboard while standing near stacks in warehouse
Mother nature speaking
Front view of man in snow against clear sky
Large shipyard and maintenance on the sea at night laem chabang thailand aerial view
Woman working at workshop
Illuminated hotel lights at night
Illuminated cityscape against sky at night
Rear view of woman standing on street against locomotive at dusk
Close-up of illuminated lighting equipment against black background
Bottom view towards the aguilles du midi
Cropped hands of man cutting metal in workshop
People manufacturing glass
Road leading towards snowcapped mountains against sky
Workman in protective uniform installing modern solar panels on roof of industrial building
Low angle view of buildings against clear blue sky
Supercell thunderstorm and lightning bolt with dramatic storm clouds.
Side view of woman leaning on glass railing against illuminated city at night
Defocused image of illuminated lights at night
Full frame shot of multi colored lights against black background
Full frame shot of steel containers
Old woman gardening on balcony
Close-up of gem under microscope
Scenic view of electricity pylon on field against sky
Unrecognizable senior tailor attaching fringe to cloth scarf while sitting at table
Afro woman making boxing gesture under iron shed
Pathway amidst field against sky during foggy weather
Aerial view ro-ro ship loading new cars. automotive container carriers sailing on the sea export
Low angle view of illuminated lanterns in corridor
Illuminated light trails in city against sky at night
Silhouette woman standing on field against sky during sunset
Cropped hands of woman weaving loom in workshop
Scenic view of landscape and snowcapped mountains against clear sky
Aerial view of oil and gas industry by sea
Pylons of high-voltage power lines in the mountains, snowy mountain peaks and blue sky
Hiker man on cliff. tourist in red cap, black sweatshirt and jeans.. cold morning sun hiidden
Lift at the sugarloaf mountain
Low angle view of street light against sky
Low angle view of illuminated light bulbs hanging against clear sky
High angle view of buildings against sky
Transmission tower in green forest and beautiful morning fog. energy and environment concept.
Panoramic view of lake grimsel, switzerland.
Person walking on railroad track against mountain
Low angle view of clothespin on line against sky