1. Good structure with a small volume. Have a new appearance which looked more beautiful.
2. Working by knapsack can save energy.
3. The cylinder stand upside down, there is an area that have a high pressure where the head of cylinder in. Have a good work of cooling, the products is lighter, and lower gravity.
4. There is a pressure reducing valve on the product. Because of it, the engine can be start easier. 2-3 times can be start when the engine is cool and 1-2 times when the engine is hot.
5. The wind is strong, can be used for fire-fighting in the Forest.