adult
analyzing
bacterium
beaker
biochemistry
biology
biotechnology
chemical
chemist
chemistry
concentration
danger
development
discovery
doctor
education
engineer
equipment
expertise
factory
healthcare and medicine
indoors
industry
innovation
lab coat
laboratory
learning
liquid
looking
medicine
men
microbiology
microscope
occupation
professional occupation
protective glove
protective mask
protective workwear
research
safety
science
scientific experiment
scientist
technician
technology
women
working
workwear