Mature science person drawing on board
Palabras clave
science,
calculation,
drawing,
scientific,
chemistry,
hand,
blackboard,
arrow,
number,
blackboard,
up,
liquid,
line,
chalk,
board,
university,
clean,
writing,
illustration,
teacher,
school,
concept,
work,
instructing,
education,
write,
graph,
horizontal,
handwriting,
student,
caucasian,
atom,
person,
young,
text,
holding,
molecular,
draw,
class,
white,
black,
college,
style,
mature,
1,
stylish,
close,
graphic,
green,
chemical
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