Základní škola vědy nebo chemie učebna: Chytrý chlapec nosí bezpečnostní brýle směsi Chemikálie v kádinkách - Stock fotografie a obrázky

Elementary School Science or Chemistry Classroom: Smart Little Boy wearing Safety Glasses Mixes Chemicals in Beakers

Pupils in protective goggles holding beakers during chemistry lesson

Elementary School Science Classroom: Enthusiastic Teacher Helps with Chemistry to Diverse Group of Children, Little Boy Mixes Chemicals in Beakers. Children Learn with Interest

Funny science. Cute jolly gay girl working with liquid while posing at lab and grinning

Education, science and children concept - boy in goggles with test tube studying chemistry at school laboratory

Medical Research Scientist Drops Sample on Slide and Her Colleague Examines it Under Microscope. They Work in a Modern Laboratory.

Medical Research Scientists Examine Petri Dish Sample and Look at Samples Under Microscope. They Work in a Modern Laboratory.

Senior Female Chemist in Safety Glasses Mixes Smoking Liquids in a Beakers. She Works in a Bright Modern Laboratory with Shelves full of Samples, Test Tubes and Advanced Technological Equipment.

Senior Female Chemist in Safety Glasses Mixes Smoking Liquids in a Beakers. She Works in a Bright Modern Laboratory.

Female Research Scientist Uses Micropipette Filling Test Tubes in a Big Modern Laboratory. In the Background Scientists are Working in the Computer.

Close-up of the Female Scientists Hand in Glove Using Micro Pipette while Working with Test Tubes. People in Innovative Pharmaceutical Laboratory Study Genetics and Pharmaceutics.