Sad laboratory researcher test tube dissatisfied experiment closeup. Disappointing man scientist in safety failed research
Medical technician examining microscope sample making investigation in laboratory closeup. Disappointed scientist failed medicines research.
Unhappy student having problem and sitting at home
Stressed diverse multiracial college students checking failed exam online with tablet pc, expressing negativity and disappointment in university library. Worried friends desperate over bad exam result
Overworked Asian scientist in robe with steam pillar above head shakes fists crazy of bad experiment at workplace in scientific laboratory
Disappointed researcher looking microscope in medical laboratory close up. Dissatisfied man scientist holding test tube feeling failure.
Doubting African-American scientist disperses smoke of burning equipment during failed experiment at table with laptop in laboratory
Professional Scientist Conducting Experiments: Portrait of Doctor in Lab
Portrait of depressed emotionally stressed Asian female student with textbooks walking at campus after failed university exam, expressing disappointment and anxiety.
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a female student cries in class after being bullied by her friends
Young child conducting chemistry experiment with laboratory materials indoors
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happy fathers day lettering card with dad charginh daughter and leafs
hand with injection syringe animation
Close up footage of a person writing WORLD WAR III on an old typewriter
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Mountain Biking Down Rocky Trail First Person View
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Close up view of truck at weighing station on road. Industrial equipment for measuring weight of vehicle.
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1960s color tv format of Cryptocurrency mining on a computer screen. The algorithm of the computer program on the monitor. Execution of the program code for the mining program. Pop-up lines of a
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Two pairs of gloved hands present various wrapped gifts against a vibrant green backdrop, showcasing a festive atmosphere perfect for
bhai dooj celebration with balls and flowers frame