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| | TN_medical-operation-patient-and-surgeons-educational-clip-art-graphic
From: Health and Medical |
| | TN_performing-male-opera-singer-gray-color
From: Music |
| TN_container-crane-operation-los-angeles
From: Industry |
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TN_performing-male-opera-singer-clipart
From: Music |
| | TN_kennedy-is-briefed-on-the-operation-of-mercury-control-center
From: Mercury Program |
| TN_apollo-spacecraft-012-left-the-manned-spacecraft-operations-building
From: Apollo 1 |
| | TN_expeditionary-airlift-squadron-perform-routine-flight-duties-during-cargo-transport-operations
From: Aircraft |
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TN_b-2a-spirit-bomber-conducts-aerial-operations
From: Aircraft |
| TN_air-force-special-warfare-airmen-and-army-paratroopers-conduct-airborne-operations-in-winter
From: Aircraft |
| TN_oldest-operating-light-station-in-north-carolina-and-was-built-in-1823
From: North Carolina |
| TN_cedar-fire-aerial-retardant-and-water-operations-calif
From: Aircraft |
| TN_doctor-examining-body-in-operation-theater-medical-clipart
From: Medical |
| TN_doctor-performing-surgery-in-operation-theater-clipart
From: Medical |
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TN_sydney-opera-house-australia-clipart-02
From: Australia |
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TN_aerial-view-commercial-cranberry-dry-harvest-operation-massachusetts
From: Agriculture |
| TN_vrc-30-pilots-fly-a-c-2-greyhound-during-flight-operations
From: Aircraft |
| TN_vector-style-hand-operated-paper-cutter-clipart
From: Objects |
| TN_photo-glade-creek-grist-mill-a-fully-operable-mill-in-west-virginias-babcock-state-park
From: West Virginia |
| TN_operation-herrin-hospital-1939
From: Illinois |
| TN_photo-exeter-historical-society-operates-out-of-this-historic-library-building
From: New Hampshire |
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TN_photo-old-opera-house-in-newberry-south-carolina
From: South Carolina |
| TN_view-from-the-connecticut-river-of-the-goodspeed-opera-house-east-haddam-connecticut
From: Connecticut |
| TN_goodspeed-opera-house-east-haddam-connecticut
From: Connecticut |
| TN_opera-de-monte-carlo-theatre-monaco-europe-clipart
From: Europe |
| TN_us-marine-flood-recovery-operations-hurricane-harvey-129-photo
From: Hurricanes |
| TN_australia-sydney-opera-house-clipart-6227
From: Australia |
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TN_operated-by-union-railroad-elevator-company-toledo-ohio
From: Ohio |
| TN_warp-winding-machine-with-operator-laurel-mills-laurel-mississippi-2
From: Mississippi |
| TN_cooperative-store-irwinville-farms-georgia
From: Georgia |
| TN_bringing-home-meal-from-cooperative-grist-mill-gees-bend-alabama-1939
From: Alabama |
| TN_milling-operation-crowley-louisiana-state-rice-mill-photo
From: Louisiana |
| TN_cute-little-boy-operating-laptop-putting-in-his-lap-clipart-1220
From: Computers |
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TN_smiling-little-boy-operating-laptop-computer-clipart-5914
From: School |
| TN_australia-sydney-opera-house-2
From: Australia |
| | TN_sydney_opera_house_australia_02
From: Australia |
| | TN_TAR2_076Loperations_newport
From: Maps |
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