It is best to by hypo-allergenic metal body jewelry for sensitive skin.
Stainless steel is the best kind of metal body jewelry to use for sensitive skin.
There are a number of ways you can paint gold jewelry. The best way to paint gold is to buy special paint and use a very small brush.
The best paint to use for an aluminum garage door is a high-quality exterior acrylic paint that is specifically designed for metal surfaces.
We make handmade jewelry from copper and use clear acrylic finishes that are used for autos.
Prime first with an anti-rust primer spray, then paint with Tremclad spray.
Use common metal manufacturing jewelry.
Sterling Silver is a metal, therefore you can apply paint. Silver Jewerly is usually polished, and you must give the paint some tooth to grab hold of, (rough the area with fine sandpaper, 400 or 500 grit) also consider a metal primer, depending on the kind of paint you use. (I recommend a quality enamel paint)
For painting a metal door, it is recommended to use a high-quality acrylic latex paint or a paint specifically designed for metal surfaces. These types of paint provide good adhesion and durability on metal surfaces.
Spraying the frame of a metal bed is quite tricky. You can use a metal paint primer. Most paint professionals use "Flat paint" as a primer because it mixes with other products. So no worries on the rust preventative enamels and latex enamels.
Yup
I don't believe you could use oil paint on your car, because it wouldn't adhere to the metal body panels. I would recommend using automotive paint lasting results, or at least paint intended for use on metal.