Part 14
Let's learn the secrets of stationery!
Why do erasers remove pencil writing? Why does glue stick to paper?
There are actually a lot of secrets hidden beneath the surface of your everyday stationery.
Now, let's put stationery under the electron microscope and learn all about its mechanisms and mysteries.
Once you're done studying, help your customers pick the item that best suits their needs.
◆◆Stationery Master Certificate◆◆
You are hereby awarded the title of Stationery Master.
Hitachi High-Tech Science Education Support Activities
Special Feature Part 14 Let's learn the secrets of stationery!