| A | B |
| transportation | transporting |
| gorge | a deep, narrow valley, usually steep and rocky. |
| swirl | move or drive along with a twisting motion. |
| helicopter | aircraft without wings that is lifted from the ground and kept in the air by horizontal propellers. |
| hover | stay in or near one place in the air. |
| propeller | a revolving part with blades, for propelling boats and aircraft. |
| equipment | supplies and materials needed for some task or project |
| granite | a very hard rock, much used for buildings and monuments. |
| drill | tool or machine for boring holes. |
| automatic | moving or acting by itself. |
| military | of soldier or war. |
| equip | fit out. |
| regiment | the part of an army commanded by a colonel. |
| transport | carry form one place to another. |
| weapon | any object or instrument used in fighting. |
| interval | time or space between. |
| patrol | go around in an area watching and guarding in order to protect life and property. |
| pistol | a small, short gun held and fired with one hand. |
| official | person who holds a public position or who is in charge of some public work or duty. |