Abstract texture of chalk rubbed out on blackboard or chalkboard background. School education, dark wall backdrop or learning concept.
Schlüsselwörter
menu,
communication,
education,
design,
empty,
wall,
board,
back,
classroom,
school,
pattern,
white,
letter,
blank,
chalk,
black,
study,
green,
abstract,
background,
billboard,
blackboard,
blackboard,
class,
concept,
copy,
dark,
dirty,
draw,
drawing,
frame,
learn,
lesson,
material,
message,
old,
rough,
scratch,
slate,
space,
student,
surface,
instructing,
teacher,
template,
text,
texture,
wallpaper,
write
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