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> Turn the ignition key.
>Check the blades.
The tiller control-which moves the giant grooming blade at the back of the machine-is powered by two hydraulic engines. Another hydraulic engine moves the front blade in 12 different directions (2). Blademan tests them all.
>Get in gear (1).
To select forward or reverse gears, the driver flicks a switch. A nearby thumbwheel serves as the throttle. There is no gas pedal.