| We have got accustomed to considering the tank as an armored caterpillar war machine. |
| British company has developed a miniature hybrid of an aerostat and a kite. |
| Proper painting is of great importance for military machines. |
| Specific example of proper use of resources. |
| While designing an airplane, a lot of contradictions arising between its parameters are usually resolved. |
| Armored battleship invented and built in the 16th century. |
| Why does a plane need a bent wing? |