Anti-Personnel Landmine Demining Equipment-working all over the world
Many anti-personnel landmines were placed all over the world wherever wars took place. Even when the wars are over, many of them are still remaining.
Let's learn about bulldozers in Apfel's Science Class together!
The mechanism of a hydraulic excavator
Do you know how a hydraulic excavator rotates? We will show you how a hydraulic excavator works in detail.
Be an expert at construction equipment!
You can learn so much more about construction equipment!