A későbbi kísérletért. Szelektív hangsúly a labor szemüveg tele különböző folyékony és férfi kézzel elhelyezés a kesztyűt, miközben az ember mosolygós - Stock fotó és kép

Lab inside. Selective focus of male hand taking lab glasses with liquids poured in and standing on surface

Professional scientist in lab coat reaching for a flask with blue liquid while working in laboratory

Biologists working with plants and petri dishes in lab with flasks

Creative method. Attractive bearded male laboratorian dressing in safety glasses while grinning and staring at bulb

New biotechnology. Test tubes being taken from the test tube rack for laboratory analysis

Modern scientific research. Nice professional smart biologist standing together and looking at each other while working in the lab

Scientific developments. Serious nice scientific researcher looking at the test tubes and taking one of them while working in the lab

Enthusiastic scientist. Happy positive delighted man wearing protective glasses and smiling while working with chemical reagents

Professional chemist. Smart nice male researcher wearing a mask and protective glasses while conducting chemical experiment in the lab

Biological project. Delighted nice smart biologist holding a syringe and putting blue liquid into test tubes while working on a scientific project