POWER TANK
Mitsubishi Pencil Company, Limited
https://www.mpuni.co.jp/products/ballpoint_pens/ballpoint/powertank/standerd.html
The use of a pressurized refill mechanism allows you to write with the pen pointed upwards on calendars and wall-mounted memo pads.
Also useful for shorthand.
In daily lives
Compressed air at 3,000 hPa pushes out the ink to ensure smooth writing each and every time. You can also write with this pen pointed upwards or horizontally on calendars and message boards mounted on walls during meetings. It can also be used for shorthand since you can write smoothly without the ink smudging. You can also write on pieces of paper that tend to get wet in a restaurant or similar environments.
In an emergency, even in a rainy, outdoor setting, you can write on wet paper.
You can also write on notice and message boards to communicate with others during a disaster.
In irregular situations
This pen is designed to prevent water from seeping through the tip and mixing with the ink, so you can write on wet paper even in a rainy, outdoor setting during an emergency. Since you can also write with the pen pointed upwards, this pen can be used to write on notice and message boards during a disaster. The value of this pen can also be demonstrated in harsh environments, including sub-zero environments in which it would be difficult to write with conventional ink.
