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Scientist in clean suit conducting scientific experiment in laboratory

Attentive female scientist experimenting in laboratory

Close-up of male scientist experimenting in laboratory

Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.

Man sitting on dock by the beach with a beer

Anonymous female doctor with vaccine bottle and syringe

Attentive university student doing a chemical experiment in laboratory

Workers pouring molten metal from flasks into moulds in foundry

Mountaineer filling water bottle

Schoolboy using glassware and equipment in school laboratory.

Scientist checking a solution in conical flask in lab

$Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak — Stock Photo$

Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak

Attentive male scientist experimenting in laboratory

Mountaineer in rugged terrain.

University students in chemical experiment at laboratory

Close-up of male scientist experimenting in laboratory

Close-up of beaker, test tube rack and clipboard on table

Workers pouring molten metal from flasks into moulds in foundry

Mountaineer in rugged terrain.

Man standing next to kettle

Crop unrecognizable scientist with plant in plastic tube on yellow background in studio

Mountaineer in rugged terrain.

Mid section of male scientist experimenting in laboratory

Scientists experimenting together in laboratory

Blurred unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room

Crop unrecognizable scientist with plant in plastic tube on yellow background in studio

Modern stainless steel and plastic thermos with cup on rough surface under shiny sky at sundown

Male worker checking quality of gin in factory

Female scientist wearing protective goggles and holding flask with pink liquid.

African American male doctor in medical glove demonstrating test tube with blood sample on white background

Mid section of male scientist experimenting in laboratory

$Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak — Stock Photo$

Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak

Making filter coffee.

Woman working with substances in laboratory

Top view of coronavirus vaccine flask pattern on blue background

Teenage girl experimenting chemical solution in laboratory

Male photographer cleaning a lens cover with liquid in photo studio

Female students watching mentor conducting experiment in lab

From above of tweezers and glass flasks with plants arranged in rows on white table for biotechnological experiments

Man poring hot water from flask in kitchen

Different chemicals in lab

Close-up of camera lens cover with liquid on a table

Scientific or medical samples on glass table

$Cropped unrecognizable nurse in latex gloves and uniform preparing to vaccinate African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak — Stock Photo$

Cropped unrecognizable nurse in latex gloves and uniform preparing to vaccinate African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak