GREENSBORO, N.C. – In a story April 27 about iconic SKILCRAFT pens, The Associated Press reported the incorrect Celsius equivalent for a Fahrenheit temperature included in the pen's specifications.
The humble correction pen used to mask typos in printed or written text is all set to assume a new avatar. It could soon become an important component in fabrication of paper-based diagnostic kits.
Closeup of Correction tape and Ballpoint pen #urday #macro #closeup How Correction tape and Ballpoint pen actually work?