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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.
New skyscraper under construction in New York Midtown.
An armed crew member looks up during his patrol of the USS Emory S. Land, a submarine tender of the US Navy docked at Garden Island naval base in Sydney Harbour. On his left is one of four 0.5 calibre machine guns mounted on the ship.  This image was taken on a cold and sunny morning on 29 June 2024.
Portrait of child student girl during class at school
Photo taken in Kamchatka, Russia
Architects using digital tablet and discussing at the construction site
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Focus on man hands typing message
Close-up of excavator at construction site. Backhoe digging soil for earthwork and construction business. Excavating machine at work. Heavy machinery for earth moving and construction site development
Latin American building contractor talking to clients renovating their house and sharing ideas
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BUILDING PERMIT CONCEPT IN BUILDINGS ACTIVITY AND CONSTRUCTION INDUSTRY with residential building project, imaginary cadastral map and General Urban Plan
Seattle, United States - 12 13 2020:  Close up view on crew member with orange jacket and white helmet secured with harness to metal railing checking aft hook on life boat fixed in container vessel.
topview Asian creative team They are discussing ideas and working on things together to come up with new zero waste bottle opportunities.Creative designers discussing proofs, designing bottle labels with new packaging materials in office
FA18 SuperHornet military jet on board the USS Carl Vinson undergoes maintenance
Four construction workers having meeting
Corpus Christi, TX, USA - December 23, 2019:  Technician repairing an old WW2  aircraft at USS Lexington,  the 16-deck \
Group of students raising their hand and asking question to the teacher in an IT class - education concepts
A military helicopter transporting goods to a ship.\n\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=4860577][img]http://www.digital-reality.co.uk/sdpcm/jwi/Helicopters_LB1.jpg[/img][/url]\n\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=4562133][img]http://www.digital-reality.co.uk/sdpcm/jwi/Aviation_Collection_LB1.jpg[/img][/url]
A construction supervisor in a reflective vest checks plans on a clipboard while monitoring roadwork in a city setting, with machinery active in the background.
U.S. Navy Branch Tape with national US flag patch on green ammo can background
A man is explaining the project to three workers / students. They are on a construction site.
Hong Kong, China - September 19, 2013: US Marine on the amphibious assault ship USS Bonhomme Richard (LHD-6). It docked at Ocean Terminal, Tsim Sha Tsui, Hong Kong. This amphibious assault ship is home to more than 40 attack helicopters, five Harrier jump jets, a V-22 Osprey aircraft, a hovercraft and tanks.
Tool bag attached to the door of a military vehicle
Johannesburg, South Africa – April 01, 2024: Construction workers laboring on a bridge with onlookers
Teenage boys talking and watching a video on mobile phone during class at classroom
Vertical image of female teacher using laptop in teaching and showing online materials to students during class in school or college
Free Images: "bestof:Navy 050831-N-7012S-003 U.S. Navy Seabee, Steelworker 2nd Class Andrew Blakely, assigned to Naval Mobile Construction Battalion Four Zero (NMCB-40), packs his"
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