addition
asian
asian people
beaker
beakers
blending
chemical
chemicals
closeup shot
doctor
drop of chemical
dropper
engineering
experiment
glass bottles
gloves
hand
jscokr
korea
korean
lab spuit
laboratories
laboratory
laboratory instruments
liquid
measurement
mixing
observation
people
performing experiment
physicist
pouring
professional
research
rubber gloves
science
scientific tools
scientist
studio shot
surgical gloves
white robe