art
background
character
chemical
chemist
chemistry
concept
continuous
continuous line
creative
doctor
doodle
drawing
education
equipment
experiment
graphic
hand
hand drawn
illustration
inject
injection
isolated
lab
laboratory
line
line art
linear
lines
medical
medicine
one
one line
outline
people
person
professional
research
science
scientific
scientist
simplicity
single
single line
sketch
technology
test
white background
定額
One continuous single drawing line art researchers, scientist, science. The scientist's hand is holding the syringe to react the solution into a test tube isolated on white backgroundの素材 [FY310157536315]
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