architecture
art
beaker
black
blank
board
building
business
chalk
chalkboard
chemistry
city
class
college
computer
contour
design
desk
drawing
education
eraser
flask
glass
glassware
house
icon
illustration
interior
isolated
laboratory
lesson
line
linear
mobile
notebook
outline
pc
phone
room
school
screen
set
silver
smart
symbol
technology
定額
Set line Chalkboard, School building, classroom, Test tube and flask, Laptop, Pencil with eraser, Smartphone and Exam paper incorrect answers icon. Vectorの素材 [FY310191917178]
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