Mechanic hand marks left on my clean car

I took my car in for service last Wednesday and took it back again yesterday for Ford to fix blocked ducts that sprays water onto my windshield. As I was driving home, I saw hand marks against the driver side panel next to the door, as well as hand marks on the bonnet of my car. The mechanics that worked on the car clearly didn't wipe their hands or bother to wipe off their hand marks left on my car. This a 2018 Ford Figo and I am very upset about this. I called Ford Paarden Eiland this morning and the lady said someone will get back to me, it's been more than two hours now and no one has phoned me back yet. Please think twice before taking your car in for a service at Ford Paarden Eiland, they have no respect for your car.