-
Close-up of a piece of glass heated in furnace at glassblowing factory
Premium Royalty-Free
-
Portrait of office worker holding digital tablet next to office thermostat adjusted to make energy savings
Premium Royalty-Free
-
Office workers using digital tablet and camera to check efficiency of office heating in boiler room
Premium Royalty-Free
-
Office workers using digital tablet and camera to check efficiency of office heating in boiler room
Premium Royalty-Free
-
Mother and daughter having a cup of tea at the dining table with father and daughter on the sofa in the background
Rights-Managed
-
Office workers taking thermal infrared images in office to check heat efficiency
Premium Royalty-Free
-
Cook prepares food at City Diner in Anchorage, Southcentral Alaska, Summer/n
Rights-Managed
-
View of thermostat in office stairwell with workers in meeting on stairs
Premium Royalty-Free
-
Mid section of man heating up branding iron with blow torch in factory
Premium Royalty-Free
-
Portrait of office worker next to office thermostat adjusted to make energy savings
Premium Royalty-Free
-
large copper pot containing cooking butter on commercial stainless steel stove in restaurant kitchen
Rights-Managed
-
Office workers adjusting heating thermostat and recording information on digital tablet
Premium Royalty-Free
-
Office workers taking thermal infrared images in office to check heat efficiency
Premium Royalty-Free
-
Electrical engineer using security system to enter electrical power plant
Premium Royalty-Free
-
Glassblower giving final touch to a piece of glass with glassblowing torch at glassblowing factory
Premium Royalty-Free
-
Office workers holding digital tablet and files discussing office energy use
Premium Royalty-Free
-
Glassblower giving final touch to a piece of glass with glassblowing torch at glassblowing factory
Premium Royalty-Free
-
large copper pot on commercial stainless steel stove in restaurant kitchen
Rights-Managed