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2
Diverse doctor performing diagnostic test on senior patient
doctor
patient
medical test
2
Healthcare worker conducting covid-19 test on mother and child
covid-19 test
healthcare worker
protective gear
Premium
Focused girl in library using laptop
laptop
education
class
2
Medical professional conducting covid test at home with sale overlay
covid test
nasal swab
medical professional
2
Medical professional holding blood test samples
nurse
doctor
blood test
3
Aerial view of saturn v test stand construction at marshall space flight center, 1961
aerial view
marshall space flight center
nasa
4
AI
Colorful test tubes in laboratory on gray background
test tubes
laboratory
science
3
Healthcare worker administering covid-19 test to patient
covid-19
healthcare
doctor
3
Blood bags for laboratory testing and research applications
blood bags
laboratory
medical research
Premium
Young students writing notes in classroom
writing
note
classroom
6
Allergy skin test procedure on patient's arm
allergy test
skin test
medical examination
Premium
Chef in the kitchen provides cooking training to students.Schoolgirls happily cook together.children wearing cooking uniform.
children
person
chef
2
Healthcare professional administering swab test to patient at home
swab test
healthcare professional
home testing
2
Young student examining microscope in science class
science
student
microscope
Premium
Smiling girl wear wireless headphone study online with skype teacher
app
business
businesswoman
Premium
Serious African American student working on research paper in library. People sitting at desks and using laptops in computer class with bookshelves. Academic research concept
library
student
education
Premium
Male pupil student studying at desk in school classroom - Education at high school concept
student
school
classroom
2
Technician handling test tubes with centrifuge in laboratory
laboratory
test tubes
centrifuge
6
Doctor performing covid-19 test on young woman at home
covid-19 test
doctor
young woman
4
Diverse schoolchildren engaged in chemistry class with molecular diagrams
students
chemistry class
science education
0
Doctor performing nasal swab test with dna helix visualization
doctor
nasal swab
dna helix
2
Female doctor doing covid-19 test with virus icons overlay
female doctor
covid-19 testing
virus icons
3
Nurse administering covid-19 swab test to patient in clinic
covid-19 test
nurse
patient
3
Automated test tube assembly line in factory
test tubes
production line
manufacturing
0
Students conducting chemistry experiment with chinese girl holding pink test tube
students
chemistry
experiment
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Young students taking exams in class
student
exam
class
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African american college student using laptop in class.Teen female black high school student doing homework. Copy space.
african
student
laptop
3
Healthcare professional administering covid-19 test to female patient
covid-19 test
healthcare worker
female doctor
6
Scientist conducting blood sample testing in laboratory
scientist
laboratory
blood samples
2
Healthcare professional administers test in modern clinic
healthcare
patient
clinical
1
Nasa j-2x rocket engine powerpack assembly test at stennis space center, july 24, 2012
nasa
rocket engine
j-2x
4
Athlete undergoing cardio fitness test with specialized equipment
athlete
fitness test
laboratory
4
Healthcare worker performing covid-19 swab test on female patient
healthcare worker
covid-19 test
swab test
2
Joyful couple checking positive pregnancy test on bed
happy couple
pregnancy
test result
2
Doctor performing finger-prick test with advanced technology
finger-prick test
doctor
healthcare
Premium
Student writing final exam in classroom.
education
test
exam
6
Athlete undergoing vo2 max testing in exercise physiology lab
vo2 max
fitness testing
athlete
3
Blood samples in lab setting for medical testing research
blood samples
laboratory
medical research
0
Doctor performing nasal swab test in clinical exam room
doctor
nasal swab
testing
Premium
Young African student having an exam in high school - Education and technology concept
young
african
student
Premium
little girl taking test
girl
school
education
6
Healthcare professional conducting allergy skin test
healthcare
allergy test
skin test
Premium
Woman Tutoring Teenage Girl
student
laptop
technology
7
Nasa jet testing autonomous software in mid-air
nasa
jet
aircraft
11
Medical professional performing swab test for covid-19
medical worker
protective clothing
face mask
4
African american doctor performing swab test on young girl with dna graphic
doctor
swab test
young girl
Premium
Female driving instructor preparing her students for a driving test
driving
instructor
female
3
Doctor performing medical swab test in clinical setting
doctor
swab test
healthcare
1
Engineer testing space shuttle scale model in wind tunnel
engineer
space shuttle
scale model
6
Saturn i rocket engines test firing at marshall space flight center
rocket test
saturn i
marshall space flight center
Premium
Teen latin girl and caucasian guy students talking about class work using laptop computer - learning together
together
learning
american
9
Rs-88 rocket engine test at nasa's marshall space flight center
rocket engine
nasa
test fire
5
Bread slice undergoing compression test for quality assessment
compression test
bread texture
quality control
Premium
Shot of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens.
modern
academic
academy
12
Doctor performing swab test on young boy at home
doctor
african american
protective measures
2
Doctor performing home swab test on senior man
doctor
swab test
senior man
2
Doctor interacting with digital screen and test tube
doctor
testing
digital screen
0
Healthcare professional conducting swab test with technological elements
swab test
doctor
wearing mask
4
Woman undergoing covid-19 test at drive-thru site
covid-19 test
drive-thru testing
health precautions
6
Nasa engineers install heavy lift rocket test hardware at marshall space flight center
nasa
engineers
heavy lift rocket
2
Schoolgirl engaging with molecular model in science class
schoolgirl
molecular model
science class
3
Doctor performing covid-19 swab test on elderly patient at home
covid-19
swab test
doctor
2
Close-up laboratory test tubes with digital interface overlay
laboratory
test tubes
digital interface
2
Blood test tubes with digital medical icons overlay
blood test
test tubes
medical icons
2
Excited couple celebrating positive pregnancy test at home
couple
positive pregnancy test
happy
2
Doctor conducting covid-19 swab test in protective clothing
doctor
covid-19
swab test
0
Healthcare worker conducting safe covid-19 testing with security overlay
healthcare worker
nasal swab
covid-19 testing
2
Technician in lab preparing samples for testing
technician
lab
science
2
Woman taste testing with concentrated expression
woman
tasting
spoon
4
Doctor conducting swab test on child bi-futuristic icons
swab test
healthcare
medical icons
2
Engineers working on saturn ib in dynamic test stand, 1965
saturn ib
rocket
dynamic test stand
Premium
Boy, writing and book in school classroom for learning, focus or development for future. Male child, pen and paper for studying, education and test for thinking, scholarship or concentration in class
boy
writing
book
2
Medical test tubes and stethoscope on light background
medical
healthcare
test tubes
44
Medical professional presenting covid-19 test swab in clinic
doctor
covid-19 test
healthcare
6
Nasa f/a-18 following sabreliner jet for autonomous software testing
nasa
sabreliner
jet
7
African american doctor administering covid-19 test to patient
covid-19 test
african american doctor
patient