Biolog analizujący roślinę w zielonym agencie konserwującym, pisząc wyniki eksperymentu - Materiał filmowy & wideo

Lab assistant analyzing meat sample in preservative agent and writing results

Scientist analyzing blue transparent liquid in flask, water heavy metals checkup

Scientist in protective uniform looking at blue liquid in flask, water analysis

Chemistry student checking reaction in test tubes, adding data to report on tab

Female medical researcher in white coat using laboratory equipment for scientific & medical research

Lab assistant analyzing meat sample in preservative agent and writing results

Scientist analyzing blue transparent liquid in flask, water heavy metals checkup

Scientist in protective uniform looking at blue liquid in flask, water analysis

Chemistry student checking reaction in test tubes, adding data to report on tab