0 a smooth board, usually green, for writing or drawing on with crayon or chalk; blackboard. -- กระดานดำ
Often they use physical props from around the house or yard, such as old lesson books or pretend chalkboards made from sheets of galvanized metal.
Small chalkboard is 15 cm long.
Whiteboards are analogous to chalkboards, allowing rapid marking and erasing of markings on their surface.
We see that the topic of the day, written on the chalkboard, is "civilization".
Auto squeegees are popular in some universities to clean chalkboards.
The other team member would have to draw these symbols on a chalkboard, following only verbal clues from their partner.
It was not until much later that slate was used for chalkboards, although students often had individual slates for writing practice.
Lefty communicates with his family by writing messages on a chalkboard.
