Prime it first with an auto spray primer. Then paint with Tremclad Anti-rust paint in brush or spray.
Use a 100% acrylic latex paint over a pre-primed door. If it is bare metal, use a 100% acrylic primer first.
I would use pinstriping paint, One Shot is a common brand, Sold in most art supply stores
Yes, you can paint a design on a vinyl mailbox/post. The type of paint you would need to use is a latex exterior paint. This is the type of paint you would use on the majority of outside projects.
I've used ordinary gloss paint. Rub down and paint. I would guess any paint that says 'suitable for metal' on the tin will be ok.
High Temperature paint, which you could find in just about every hardware store.
what kind of paint does O'Keeffe use
I would not think it practical to paint flatware (metal eating utensils), but if possible I would think it would require epoxy paint.
use artnuuinuu paint is good
Spray paint is the most effective paint to use to paint styrofoam.