adult
analyzing
biology
business
caucasian ethnicity
chemistry
computer
construction industry
design professional
desk
education
engineer
engineering
equipment
expertise
factory
females
healthcare and medicine
indoors
industry
laboratory
machinery
males
manual worker
manufacturing
manufacturing equipment
material
men
microscope
occupation
office
one person
people
place of work
professional occupation
protective eyewear
protective workwear
research
science
scientific experiment
scientist
table
technician
technology
women
work tool
working
workshop
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