adult

analyzing

biology

caucasian

chemical

chemist

chemistry

curiosity

discovery

doctor

equipment

examining

experiment

expertise

female

glasses

healthcare

hygiene

indoors

intelligence

lab

laboratory

liquid

looking

medical

medicine

microbiology

occupation

people

person

professional

research

science

scientific

scientist

technology

test

the

tube

white

woman

women

worker

working

workwear

young