back to school
background
beard
bearded
big
concept
control
course
education
engineering
equipment
geometric
happy
height
hold
holding
isolated
length
lesson
line
long
man
math
mathematics
maths
mature
measure
measured
measurement
measuring
metric
preparing
private lesson
private teaching
ruler
school
school time
science
september 1
size
sizing
student
study
teacher
theorem
too long
tool
trigonometry
university
white
定額
Maths teacher taking measurement. this is too big. happy man measure the length. bearded man with ruler isolated on white. cheerful geometry teacher. Maths for science. tool for mathematical scienceの素材 [FY310192199487]
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