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![](https://media.istockphoto.com/id/1443175985/video/room-energy-management-system-with-key-card-guest-removes-the-card-and-all-devices-are-switch.jpg?b=1&s=640x640&k=20&c=EvfSOMYCkMAooradoxNbfU4K42bX51LrrHXPtDxULpE=)
Room energy management system with key card, guest removes the card and all devices are switch off.
![](https://media.istockphoto.com/id/1402571622/video/engineer-under-checking-the-industry-chilled-water-fan-coil-unit-air-conditioner-is-water.jpg?b=1&s=640x640&k=20&c=vuda6QkBlU-Db_sCy20Uxg5CG6T_7Hde-6p3Daq4ymA=)
Engineer under checking the industry chilled water fan coil unit air conditioner is water cooling tower air chiller HVAC system of large industrial building to control air system
![](https://media.istockphoto.com/id/1402571660/video/engineer-under-checking-the-industry-chilled-water-fan-coil-unit-air-conditioner-is-water.jpg?b=1&s=640x640&k=20&c=t9qCeNKQedAYYTffqu1UqKT3jRMzk6wVcSbOlKKJJxU=)
Engineer under checking the industry chilled water fan coil unit air conditioner is water cooling tower air chiller HVAC system of large industrial building to control air system
![](https://media.istockphoto.com/id/1428542246/video/the-guy-is-setting-up-a-pc-sitting-in-front-of-the-monitor-on-the-floor-there-is-a-keyboard.jpg?b=1&s=640x640&k=20&c=JsOl9-rBDj3q-qaOGkCHjtKbLNKwgKYOtF7cGVax10Q=)
The guy is setting up a PC sitting in front of the monitor on the floor. there is a keyboard on the floor in front of him
![](https://media.istockphoto.com/id/1490049162/video/mechanic-adding-grease-to-cv-joint-rubber-sleeves-in-garage-car-wheel-shaft-mechanic-has.jpg?b=1&s=640x640&k=20&c=HDWGz8ud7ut4wWMktn0Ho_oRgKsdfV0lHbhZXvb0Anw=)
mechanic adding grease to cv joint rubber sleeves in garage,car wheel shaft mechanic has checked and repaired.
![](https://media.istockphoto.com/id/1892604869/video/worker-using-an-electric-screwdriver-while-installing-components-into-personal-computer-close.jpg?b=1&s=640x640&k=20&c=VU6amW6at1gaczh6Ao-XkVNU1Ao32TD6W6ADjoqIQq4=)
Worker Using An Electric Screwdriver While Installing Components Into Personal Computer. Close Up. 4K Resolution.
![](https://media.istockphoto.com/id/1214637153/video/oil-and-gas-drilling-rig-oil-drilling-rig-operation-on-the-oil-platform-in-oil-and-gas.jpg?b=1&s=640x640&k=20&c=unQVKfW9AtwKeNlrPmO12hRHPenIl79fM_Gdfvzvq3g=)
Oil and Gas Drilling Rig. Oil drilling rig operation on the oil platform in oil and gas industry. 4k video
![](https://media.istockphoto.com/id/1316657821/video/the-system-unit-of-the-computer-at-work-rotating-cooling-fan-motherboard-glowing-diodes.jpg?b=1&s=640x640&k=20&c=ZhET6Pmeo0qLy3RNv8oJnylRWICRD0LYF6aEdSWMqMQ=)
the system unit of the computer at work. rotating cooling fan, motherboard, glowing diodes.
![](https://media.istockphoto.com/id/1291423057/video/dentist-setting-up-the-lingual-retainers-retainers-dental-installed-after-braces-treatment.jpg?b=1&s=640x640&k=20&c=VRCbyvz2a_uiDfuOtXtRN-zZAm4PYt21WJ3BZ4EUW0g=)
Dentist setting up the lingual retainers. Retainers dental installed after braces treatment.
![](https://media.istockphoto.com/id/1402571760/video/engineer-under-checking-the-industry-chilled-water-fan-coil-unit-air-conditioner-is-water.jpg?b=1&s=640x640&k=20&c=BwJpV0X9wtDYXLfKY9Oeb8CeZLkrC9oux_wzckahM8c=)
Engineer under checking the industry chilled water fan coil unit air conditioner is water cooling tower air chiller HVAC system of large industrial building to control air system
![](https://media.istockphoto.com/id/1402572567/video/engineer-under-checking-the-industry-chilled-water-fan-coil-unit-air-conditioner-is-water.jpg?b=1&s=640x640&k=20&c=FtBt4GmOHcTbDh3jzHfZmaZmRQA-bWNijvrds-Xj2Hc=)
Engineer under checking the industry chilled water fan coil unit air conditioner is water cooling tower air chiller HVAC system of large industrial building to control air system
![](https://media.istockphoto.com/id/1277107308/video/a-modern-3d-printer-at-work-macro-photography-of-a-cnc-machine-that-independently-creates-a.jpg?b=1&s=640x640&k=20&c=tzk4JQRr1Zaj4Hc3sHtflD1c5vZQED9R70ooo8pV80A=)
A modern 3D printer at work. Macro photography of a CNC machine that independently creates a volumetric object. The concept of modern technologies and robotization of production
![](https://media.istockphoto.com/id/1286547005/video/female-builder-wearing-hard-hat-with-digital-tablet-taking-photo-and-checking-delivery-of-new.jpg?b=1&s=640x640&k=20&c=sy27vBSQgUNeZArVjHxzOTxJgo5uu8aQyn9nziIgIZE=)
Female builder wearing hard hat with digital tablet taking photo and checking delivery of new kitchen units inside property - shot in slow motion
![](https://media.istockphoto.com/id/1149513037/video/techican-man-electrician-installing-air-conditioning-in-a-client-house-cinematic-steadicam.jpg?b=1&s=640x640&k=20&c=5yInyDkb0eTGEigb0DNo-CRbnqPJfTU3WkvLVIcQHaU=)
Techican man electrician installing air conditioning in a client house, cinematic steadicam shot
![](https://media.istockphoto.com/id/1490048631/video/mechanic-adding-grease-to-cv-joint-rubber-sleeves-in-garage-car-wheel-shaft-mechanic-has.jpg?b=1&s=640x640&k=20&c=Qh0ce8jJ-EM1krZaz_z1TvQnI3vKKTtsYdi84zMa1-w=)
mechanic adding grease to cv joint rubber sleeves in garage,car wheel shaft mechanic has checked and repaired.