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**720.641 resultaten voor test in video's**

4K Close up of pencil being used on a multiple choice test paper

00:33

Broadcast Test Card With 59-Second Countdown For Technical Breaks. Color television test pattern with Please Stand By text and countdown timer from 00:59 to 00:00 seconds.

01:00

Close-up of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens. Shot on RED EPIC-W 8K Helium Cinema Camera.

00:12

Futuristic blue circuit board technology.

00:08

Woman face, blue eyes and vision focus, thinking idea and contact lenses to see, eyesight and awareness. Closeup macro on face, eyeball and optometry test stare with awake perception of human anatomy

00:11

Scantron Test Paper

00:16

hand with pencil taking a multiple choice test

00:18

Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.

00:10

Tilting down slowly to a Covid 19 positive antigen test on a wooden table 23.98 fps

00:10

A crash test dummy in a car with a deployed airbag and smoke demonstrates the critical life-saving technology of vehicle safety testing during a simulated high-speed collision

00:08

Retro tv test pattern please stand by broadcast signal. waiting screen vintage television. 4k animation video

00:10

Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.

00:19

Lab assistant makes urgent blood test for detection of antibodies and infections

00:29

after the test, the doctor puts the blood tests in a pallet

00:06

A scientist in his laboratory holds a test tube containing DNA and is able to control the evolution of man thanks to holography. Concept of: DNA, technology, augmented reality.

00:14

Evaluation or measurement concept. Student testing in exercise taking fill in exam at school or university in test room, writing document exams paper at campus classroom, education back to school idea

00:09

School girl writing in book in classroom, student learning for education at table and studying for exam in notebook in class. Children doing exam on paper, creative test at desk and focus on study

00:07

Doctor monitors a shirtless man performing an exercise stress test on a treadmill in a medical lab

00:08

Please Stand By - Retro Television Test Pattern with Static and Glitch Effect.

00:10

TV test tablet with glitch interference on lcd screen background animation - new quality digital twitch technology colorful video footage

00:10

Glass test tubes with liquid on white background.

00:12

Retro TV test pattern please stand by screen suitable for showcasing broadcast standby or vintage television interruptions in presentations, videos, or graphics related to media and technology

00:20

Test results, working mom Unexpectedly Reading a pregnancy test Sitting in the bathroom, Slow motion Pregnant woman Analyzing test strips Women's health centers, Test

00:08

Modern x ray room with scanner and monitors showing medical equipment in use for patient imaging and diagnosis

00:05

Hand Of A Person On Exam Colors Right Answers With A Pencil. Close up

00:21

Science, laboratory and woman with beaker for medical analysis, research and medicine. Healthcare, pharmaceutical and scientist with test tube for vaccine development, chemistry and liquid results

00:17

Lab Research Test Tubes

00:08

Streaming countdown TV test card signal pattern animation. Television Color Test seamless looping

00:14

Classic television test pattern with 'SIGNAL LOST' message, showing broadcast interruption

00:05

Indian male doctor checcking BP of young patient during routine health examination as experienced physician measures blood pressure inside modern Indian clinic OPD healthcare visit

00:30

automatic hematology analyzer with glass test tubes with blood

00:12

Doctor in medical PPE suit holds a covid antigen test of care testing. Lab performing rapid diagnostic test for antibodies to detect presence of antigens Coronavirus disease.

00:14

An engineer in a crash test lab uses a car crash test system to simulate a traffic accident, to obtain the safety parameters of an eco-friendly cutting edge electric vehicle being developed.

00:12

Blood samples in a test-tube centrifuge. Lab environment. Looping animation 4KHD

00:10

4k stock| . Static color simple noise. Error video glitch. Bad damage interface. No signal stock animation. Video no signal test pattern on TV screen; colorful flickering.

00:10

Tilting down fast to slow to a covid 19 positive antigen test on a wooden table, 23.98 fps

00:11

An old retro vintage tv test pattern (appearing on air in case of technical difficulties), with a heavy glitch effect.

00:18

Asian mother makes blood glycemia test to her daughter for diabetes check at home - Family disease, medicine and lifestyle concept

00:10

Retro TV screen displaying colorful vertical bars and snowy static, with 'PLEASE STAND BY' message.

00:10

Generic 3d car crash test with crashtest dummy. Car destruction. Realistic 4k animation.

00:10

Medical Science Laboratory with Diverse Team of Professional Biotechnology Scientists Developing Drugs, Female Biochemist Working on Computer Showing Gene Therapy Interface. Back view Shot

00:16

Taking a blood sample for testing in the tube and putting it on the stand

00:12

Closeup, hands and a couple with pregnancy test results, comfort and reading together. Family, support and a man and woman with information on a baby, pregnant and care on the sofa for infertility

00:06

Blood, research and hands of scientist in laboratory with sample for science, medical study or investigation. Healthcare, pharmaceutical and person with DNA test vial, RNA analysis and writing notes

00:09

Walking, exam and students talking about results on university campus and share test information or paperwork together. Scholarship, education and group of young people or friends in discussion

00:08

The blood analysis. Analysis to identify the HIV virus.

00:13

Senior woman, eyes and focus for eye exam, test or assessment of vision, eyesight and optometry for elderly patient. Eye, closeup and old lady thinking with wrinkles, natural skin and wellness

00:05

Nurse puts a bar code on a test tube with a blood test

00:11

brush line check mark animation video.

00:05

Process of express fast coronavirus covid Antigen AG PCR testing examination at home, COVID-19 swab collection kit, test tube for taking OP NP patient specimen sample, testing carried out

00:06

Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture

00:20

Airbag Deploys Closeup 2

00:29

TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping

00:14

Scientist hands with microscope close-up shot in the laboratory

00:13

Doctor hand taking a blood sample tube from a rack with machines of analysis in the lab background, Technician holding blood tube test in the research laboratory.

00:17

A close-up dolly shot of a student filling in the little bubble circles of a test paper.

00:38

Unrecognizable man walking on treadmill during cardiac stress test

00:14

Laboratory technician places blood collection tubes into analyzer cassette for automated diagnostic testing in modern medical laboratory environment.

00:13

Athlete undergoing stress test with ecg monitoring in a medical setting

00:08

Lab Research Test Tubes

00:06

Scientist holding test strip and checking result

00:14

Analysis of the PH and chlorine of the water in a swimming pool in Summer. Check quality of water with test strip, comparing results.

00:15

Closeup view 4k video of child hand with red spot reaction to conducting Mantoux test after 72 hours from injection. Nurse in blue gloves applying transparent ruler to check reaction.

00:16

Technical difficulties error tv test pattern showcases a message for broadcast production, television, troubleshooting, technical difficulties, media projects, and presentations.

00:10

Intentional glitch distortion fx: a test pattern from a tv transmission, with colorful rotating bars, a black box and the warning text No signal.

00:12

Closeup of quantum computer chip testing with microprobes on a dark circuit board, 4k video

00:10

Selective focus shot of female scientist in protective mask and glasses pouring blue liquid in test tubes with pipette during microbiology experiment in laboratory

00:18

Bright RGB color changing animated background for screen test

00:12

Tv screen with Indian Head Test Pattern

00:14

Muscular athlete with mask running on treadmill in gym for monitoring his performance. Sportsman in sports science lab measuring his performance cardio respiratory test professional athlete

00:25

the inspector checks the form and puts a a worst grade on a exam test

00:06

HIV Antibody test report 4k footage, health report, medical result, close up.

00:10

A beautiful woman takes a pregnancy test and as soon as she reads that she is pregnant, she explodes in a moment of happiness and joy for the future birth of her child. Concept of: birth, life, family

00:12

close up view of Lab Worker hands Extracts blood from vein. a stream of blood flows into the test tube

00:09

Male engineer simulates and watches process of traffic accident using digital tablet with modern system to change the safety parameters. 3D animation of electric car experimental crash test in lab.

00:14

Blood test taking of a young patient man of a young woman doctor in a modern clinic room , assistant are behind of the doctor.

00:24

TV colour bars test card screen. SMPTE Television Color Test Calibration Bars. Test card. SMPTE color bars. Graphic for footage video and 1Khz Sine Wave

00:28

Lab technician in blue gloves labeling urine sample test tube with barcode in modern medical laboratory for diagnostic analysis and research.

00:13

Pipette with liquid inside drop water in test tubes. Close up macro.

00:14

Waist up slowmo of group of multiethnic college students sitting one by one at desk in classroom writing test

00:28

over shoulder doctor writing on a form for a blood test

00:18

Drop chemical fluid into laboratory test tube , science biological or chemistry research concept

00:16

Analog capture (intentional heavy distortion fx): a tv test pattern (also called cinescope) made of blocks and shapes of varying dimensions.

00:12

16:9 TV color bar damage glitch distortion background, abstract noise effect. (4K UHD seamless looping, computer digitally generated animation.)

00:10

Scientist with gloves injecting liquid sample into a plastic gradient lab for test

00:09

Gloved hand using pipette in laboratory with test tubes filled with red liquid for diabetes research concept

00:05

Asian women student sits in library, prepare for exam and making notes in notebook preparing for college test and finding information with a serious face in college library.

00:10

A vintage television screen displays colorful test pattern bars

00:11

Filling out Answers on a Multiple Choice Test Close up

00:18

Hands holding pregnancy test, turning to show one line negative test, problem family planning.

00:10

Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory

00:19

One-minute black and white retro TV test pattern with countdown timer in center. Perfect for broadcasters and streamers countdown.

01:00

Close Up Tracking Of Woman Holding Positive Pregnancy Test In Public Bathroom

00:10

Close-up of the process of taking blood from the vein from man for biochemical blood testing. Preparation for blood test with by phlebotomist technician doctor in medical clinic.

00:56

Lockdown, CU, SLO MO, head and shoulders of a crash test dummy hitting a deployed airbag

00:37

Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine

00:16

Drop of blue transparent liquid into test tubes in laboratory

00:15

4k stock. Bad interface damage. No signal test pattern TV screen. Tv static animation glitch. Noise color error video with scanline effect.

00:13

A person brings vision glasses to his eyes. Moving from out of focus to focus. View of the First person view on the vision test table.

00:06

Medical animation of the positive passed pregnancy test. Two lines. Closeup. HD

00:06