Having competent teachers is important. But a competent teacher with quality textbooks but no teaching aid (wall charts) is like a carpenter with a good tack hammer but no nails.
Wall charts are large graphics or posters designed for display on a wall as a teaching aid or source of information. Put differently, a wall chart is a type of large poster often displaying information for educational use. Wall charts’ existence dates back to the 1840s. Continue reading
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