pencils on green graph paper, study research science and education concept
Palabras clave
background,
graph,
paper,
blank,
blueprint,
chart,
coloured,
concept,
draft,
drafting,
draw,
drawing,
empty,
engineering,
freehand,
grid,
group,
note,
notebook,
crayons,
plan,
precision,
scale,
scattered,
sheet,
short,
square,
stationary,
supply,
technical,
texture,
research,
writing,
education,
closeup,
study,
learn
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