来自MSN9 天
The Evolution Of Pencil Erasers: History, Tips, and DIY Ideas
Erasers are a staple in any stationery kit, often used to correct mistakes when writing or drawing with a pencil. Whether ...
Business Insider6 年
How erasers are made
An curved arrow pointing right. Watch full episodes of the Science Channel series "How It's Made" on the Science GO app or at: http://insder.co/HowItsMade More from ...