back to school
background
bearded
bearded man
business
caucasian
class
concept
course
drawing
education
engineering
formal
geometric
geometry
homework
illustration
informal
instruments
isolated
knowledge day
learn
learning
lesson
line
maths
measure
measuring
mustache
nonformal
one
people
private lesson
private teaching
ruler
school
school time
september 1
startup
student
study
teach
teacher
teaching
technical drawing
university
unshaven
定額
Single continuous line drawing of teacher explain something and giving education to student with blank board. Vector illustrationの素材 [FY310144225274]
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