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چرا مداد بینقص است
1,527,709 views |
کارولین ویکر |
Small Thing Big Idea
• March 2018
Read transcript
چرا مدادها شش ضلعی هستند، و چطور رنگ زرد نمادین خود را گرفتند؟ صاحب فروشگاه مداد، کارولین ویکر ما را به درون تاریخ جذاب مداد میبرد.
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