Can we get Flight Catering Trucks to the planes ?

Can we get Flight Catering Trucks to the planes ?
The ones which load the food & drinks trollies etc. The ones that rise the back up to the rear door of the plane
I see them going back & forth down the tarmac so I wondered can we utilise them.
Lets see if you guys can figure a way to do that.
The ones which load the food & drinks trollies etc. The ones that rise the back up to the rear door of the plane

I see them going back & forth down the tarmac so I wondered can we utilise them.
Lets see if you guys can figure a way to do that.