Estudantes que tomam amostra de chamical e trabalham no teste de pesquisa - Banco de fotos e imagens

Two stunents practice at schoold laboratory, learning to use chemical sample

Two young chemist students researching at school lab equipment

Two young scientists making an experiment in a chemical laborator

Two students of chemistry looking at molecular model and making new formula at laboratory

Students using sample from tubes and looking results on microscope, researching concept

Scientists at laboratory researching sample of chemical with pipette and tubes

Woman holding pipette and putting sample at tube in laboratory

Scientist putting new sample to vegetables and cheking results at clinic

There is no place for dust and stains in my fridge, young woman in cleaning action, kitchen concept

Close up scientist hands with microscope, blood test analyzing

Putting sample of chemical with injection in to the test chicken meat close up

Young lab technician holding tubes at clinic close up

Gynecologist examining a patient with a colposcope, check up healthcare patient