| 1 | The plow is hydraulic. It has a 3 ton capacity. | |
| 2 | The accumulator delivers that pressure to a hydraulic motor that turns the wheels. | |
| 3 | He crushes it, with one hydraulic hand, almost unconsciously, like someone swatting a mosquito. | |
| 4 | Giant Hydraulic supports keep the tunnel stable until the cutters have moved on. | |
| 5 | Eaton Supplying the fuel and hydraulic conveyance systems, cockpit panel assemblies and dimming control system. |