Effectivity
Close-up of hand holding pocket watch against black background
Street amidst buildings in town against sky
Two men measure brackets for mounting solar panels.
Businesswoman talking on smart phone in corridor while leaving office with colleagues in background
Cropped image of craftsperson photographing through mobile phone at workshop
Close-up of illuminated light bulb
Low angle view of illuminated street light against trees
Midsection of mid adult woman charging electric car
Close-up of old machine part on wall
Portrait of mature female worker standing by wooden planks at table in industry
Low angle view of buildings against clear blue sky
Midsection of potter making bowl in market
Foundry worker carrying burning container with hand tool in industry
Mature man standing in solar plant
Side view of woman painting on canvas at art studio
Scenic view of landscape against clear sky during sunset
Close-up of beautiful woman holding illuminated lights
Full length of man sitting on table
Low angle view of sign board and illuminated harbor at night
Cropped hands of person making pottery
Low angle view of pendant light hanging from ceiling
Computer programmer explaining adhesive note to colleagues in office
Female tourist using smartphone to record video of tea maker in counter cafe community at chiang
Low section of man using grinder at workshop
Midsection of carpenter working at workshop
Rear view of carpenter in workshop
Rear view of man working in workshop
Portrait of smiling mature entrepreneur sitting at desk in upholstery store
High angle view of female programmer writing on book by laptop while male colleague working at desk in creative office
Low angle view of silhouette cables against clear sky
Low angle view of birds perching on power cable against clear blue sky
Illuminated light bulbs hanging against wall
Communication, telecommunication and television antennas, positioned between the mountains
Close-up of potter in action
Scenic view of mountains against sky
Defocused image of illuminated lights at night
Trees on field against sky during sunset
Optometrist looking through eydeglass lens
Cropped hands of male architects drawing blueprint at desk
Innovations on the farm, ultrasound technology, veterinarians use ultrasound technology
Midsection of man working at home
Low angle view of electricity pylon against sky
Close-up of machine part
Determined female entrepreneur wearing elegant suit and protective mask standing near building and looking away
Female computer programmer using laptop while looking over eyeglasses in office
Low angle view of illuminated light bulb against cloudy sky
Man working on metal grate
Low angle view of residential buildings
Close-up of machinery at factory
Low angle view of electricity pylon against sky
Female mechanic seen through open car hood
Midsection of doctor examining female patient at hospital
Empty road against cloudy sky
Close-up of hand touching illuminated light bulb
A man is welding a piece of metal in the dark
Close-up of machine part in factory
Businesswoman holding digital tablet while discussing with building contractor at construction site
Cropped hands of nurse applying bandage on patient hand
High angle view of cake on table
Low angle view of road signal against sky
Buildings in city at dusk
Graffiti on electric meter box against wall
Illuminated factory against sky at night
Starlings ' home
Abstract image of illuminated lights at night
Business people talking while sitting in restaurant
Close-up of illuminated light bulbs hanging at home
Conveyor belt over heaps of gravel against the blue sky at an industrial cement plant.
Ski slopes in the alps
Old lanter with colonial style window behind
Cropped hand of woman holding illuminated light bulb against field during sunset
Portrait of man standing in auto repair shop
Low section of carpenter drilling on timber
Close-up of illuminated light bulb at night
Aerial top view oil ship tanker sailing full speed with beautiful wave and splash water in line
Defocused image of illuminated lights at dusk
The welder works in the workshop. the moment of welding of metal structures.
Full frame shot of illuminated lights
Worker with protective mask welding metal and producing smoke and sparks. arc
Dentist operating cheerful boy in medical clinic
Mid adult man fixing cables with screwdriver in factory
Mount with antennas at dawn
Man working on fire
Cup anemometer is instrument used to measure wind speed and blue sky background.
High angle view of male carpenter carrying wooden planks at backyard
Street amidst buildings against sky
Cropped hand of woman sewing white fabric
Man fixing solar panel through drill while crouching on rooftop
Lightning strikes from a strong thunderstorm over the grand canyon.
Close up of a stack of postcards
Aerial top view at twilight oil and gas refinery background, business petrochemical industrial,
Low angle view of electricity pylon against blue sky
Craftswoman wearing hard hat at work
Man in pottery workshop makes plate of clay, an authentic atmosphere, yellow lamp, lifestyle,
Engineers together installing solar panels
Senior businessman and businesswoman talking on stairs in the city
Cheerful hipster man with girlfriend sitting on table at home
Cropped hand holding light bulb against blue sky
Adult man in latex gloves and respirator putting on protective goggles and looking at camera during work in garage
Side view of architect talking through in-ear headphones at home