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2 авг 1961 г. - Whiteboards

Описание:

Whiteboards are introduced to phase out chalkboards (and their horrendous sounds)

Добавлено на ленту времени:

Technology's timeline in education

ByJustin Marcos Wilson
17 янв 2018

Дата:

2 авг 1961 г.
Сейчас
~ 62 г назад

Изображения:

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