Vědci vedení experimenty - Stock fotografie a obrázky

Science teacher helping student in laboratory

Chemistry lesson

Student in class

Teacher assisting pupils in science class

A woman and a man working in a laboratory.

Student and teacher in chemistry class

Chemistry lab

Science lesson

Laboratory workers

Finding the solution and chemical

Wine laboratory

Observing the work and man

Observing the liquid and man

Solutions in lab with handicapped employee

Supervisor watching female lab technician

Woman holding glass flask, man recording results