Empty blank greenboard with chalk traces background, wooden frame.
Palabras clave
blackboard,
blackboard,
green,
board,
texture,
school,
chalk,
black,
education,
write,
class,
square,
blank,
copy,
empty,
white,
nobody,
concept,
space,
marker,
isolated,
presentation,
old,
learning,
communication,
signs,
billboard,
drawing,
advertising,
classroom,
text,
advertisement,
advert,
lesson,
primary,
scratch,
symbol,
close,
closeup,
copy space,
dirty,
message,
note,
remember,
showing,
teaching,
textured,
tracing,
used
){kind=link}