若手卵、火とフラスコ実験になります。化学者は一枚の紙に火をつけた、電球の中に置いた。小さな科学者がフラスコ内に卵を入れるし、それはゆっくりの下へ移動 - ストックフッテージ＆ビデオ

Close-up of laboratory assistant hands working in modern Laboratory

Close-up of laboratory assistant hands working in modern Laboratory

Young chemist works in laboratory. The boy in protective glasses looks at the chemical flasks with liquid. Cute boy touches bulb with orange liquid. Chemical experiments in laboratory.

Young scientist makes chemical experiments with colorful liquid. Hes holding flask with pink liquid in hands and research it. Laboratory experiments with liquid.

Chemist measure the viscous liquid pouring it into measure cup on electronic scales. Pharmaceutical automatic blender mixing fluids at the background.

Woman in white uniform working with test tubes in modern Laboratory

Young chemist works in laboratory. The boy in protective glasses mixes orange liquid in a flask. Chemical experiments in laboratory.