Sign? What Sign?

I saw this vehicle parked outside Gate N7 at SEA on 2006-07-26 at about 11:15 AM.

It's a ground crew vehicle for Menzies. I believe Alaska Airlines (ALK) owns the vehicle, since the contract their ground handling to Menzies. You can actually see two Menzies employees in the cab, waiting for a plane to come in.






Take a closer look at the center, though. Notice all those footprints?





I just hope the grounds crew pays more attention to the "No Step" signs on the aircraft wings.