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