![Six Strands of Society Strand 1: Wave Theory Strand 2: Technology Strand 3: Business and Corporate Developments Strand 4: Educational Theories of Learning. - ppt download Six Strands of Society Strand 1: Wave Theory Strand 2: Technology Strand 3: Business and Corporate Developments Strand 4: Educational Theories of Learning. - ppt download](https://images.slideplayer.com/23/6666001/slides/slide_6.jpg)
Six Strands of Society Strand 1: Wave Theory Strand 2: Technology Strand 3: Business and Corporate Developments Strand 4: Educational Theories of Learning. - ppt download
![Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II? Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II?](https://www.telegraph.co.uk/content/dam/technology/2016/09/28/B70egK3CcAA4TcI_trans_NvBQzQNjv4Bq_yHCl97T-pmmS890d_-lMGzy-syXcs8ra7YZBvLLL7M.png?imwidth=480)
Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II?
Anbesse Dawit - ይህን ሰው ተዋወቁት Ladislo Biro ይባላል፡ሃንጋሪያዊ ነው፡፡ ዛሬ እንደልብ የምንጠቀምበትን እስክርቢቶ በ1938 እ.ኤ.አ የሰራልን ሰው ነው፡፡ Endrias | Facebook
![Laszlo Biro - Inventor and developer of the ballpoint pen - an invention taken for granted and yet one that is used millions of times each day by hundreds of millions of Laszlo Biro - Inventor and developer of the ballpoint pen - an invention taken for granted and yet one that is used millions of times each day by hundreds of millions of](http://www.design-technology.info/inventors/_wp_generated/pp906bf053.png)