An empty chalk board on tripod over white background
Palabras clave
advertisement,
billboard,
blackboard,
display,
green,
business,
easel,
study,
write,
classroom,
racked,
presentation,
reminder,
chalk,
black,
lesson,
used,
class,
learn,
icon,
chart,
wood,
primary,
panel,
frame,
flip,
scratch,
exam,
childhood,
tripod,
school,
showing,
instructing,
banner,
meeting,
education,
art,
leg,
elementary,
background,
grunge,
college,
board,
lecture,
demonstration,
message,
promotion,
announcement,
isolated,
white
){kind=link}