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Look through the magnifying glass to the Particle of dust and dirt inside of an air conditioner. PM2.5 pollution in living room. Poor air quality causes respiratory diseases.
The software engineering team is meeting to review code and enhance the capabilities of the artificial intelligence
Silhouette of S Soviet helicopter Mi-8 common operational military aircraft aloft in the air cloudy sky
A black elementary teacher with four multiracial children in the classroom. The students, three girls and a boy, are 6 and 7 years old. They are sitting at desks having a lesson. The focus is on the teacher and the students sitting next to her.
Wadi Musa, Jordan, October 05, 2023 : Camels lie and rest in the square in front of Al Khazneh - a Nabatean temple in the Nabatean Kingdom of Petra in Wadi Musa city in Jordan
Teenage boy studying with student friend during class at classroom
Petra, Jordan - November 3, 2022: Bedouin man and donkey in the ancient city, UNESCO World Heritage Site
Computer, thinking and doctor asian woman in hospital at night for medical, research or learning. Healthcare, mri scan on screen with young medicine professional in office of clinic for neurology
Data analysis science and big data with AI technology. Analyst or Scientist uses a computer and dashboard for analysis of information on complex data sets on computer. Insights development engineer
An adorable multiracial three year old girl wearing flotation devices on her arms smiles as her mother helps her swim during a lesson at an indoor aquatic park.
Happy teacher explaining mathematics at whiteboard in classroom. Portrait of smiling mathematics tutor explaining addition concept to children in classroom. Successful teacher standing in front of whiteboard with crossed arms after explaining addition to students.
A black elementary teacher teaching children in the classroom. They are sitting at desks having a math lesson. The teacher is a mid adult woman in her 30s. The student next to her is a 6 year old Hispanic boy.
Air Force Day. Aircraft silhouettes on background of sunset with a transparent American flag.
Cockpit of a small Helicopter  lots of gauges and controls.
Super Typhoon, tropical storm, cyclone, hurricane, tornado, over ocean. Weather background. Typhoon,  storm, windstorm, superstorm, gale moves to the ground.  Elements of this image furnished by NASA.
Helicopter propeller
The Great Barrier Reef from above near Airlie Beach and Whitsundays in Queensland
A young female teacher squats next to a little boy of Asian descent sitting at a desk, to help him use a tablet for schoolwork during class.
A large Russian ship of the Black Sea Fleet in the port of Sevastopol against the background of the gray sky. Russian ships on peaceful combat duty. Republic of Crimea, October 4, 2010
COPENHAGEN, DENMARK - MARCH 2019: View of the museum. Battle ship at the Military open air museum, on Nyholm island in Copenhagen. Danish Navy.
Teenage boys talking and watching a video on mobile phone during class at classroom
Cambridge, UK - May 27, 2012: Westland Lynx Helicopter, of Royal Navy, at Duxford Air Show
Group of students raising their hand and asking question to the teacher in an IT class - education concepts
Eurofighter Typhoon fighter aircraft with associated badges removed.
A Caucasian man playfully lifts his Eurasian daughter up into the air while swimming in the ocean. The family is enjoying time at the beach in Hawaii with family and friends.
Class, child and reading presentation for learning, education or storytelling in elementary school. Kid boy, students and speech with teacher for assignment, project or knowledge with book in lesson
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Aerial view of the Treasury in the Lost City of Petra, Jordan
Vertical image of multiracial happy university students walking to class together laughing and talking. Group of young people in college campus. Higher education concept.
Free Images: "bestof:Navy 110319-N-3154P-261 Naval Air Crewman 2nd Class Jordan Lochmann, assigned to Helicopter Sea Combat Squadron (HSC) 22, uses night vision bino.jpg en"
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