How do I remove enamel paint from the metal box?

Avoid sanding down to the metal under the paint—the sandpaper could scratch the metal.

You can use a paint comb or a wire brush to clean brushes. If you have a lot of paint caked up onto your brush, those can be very good...

No. If you put the mug in the dishwasher, there is a high probability the paint will come off.

The loss of tooth enamel can lead to discoloration of the teeth and to sensitivity. In order to fix this, you should visit a dental professional, who can give you...

Soak a non-abrasive sponge in the baking soda/ammonia solution. Dip the sponge in the solution, scrub, and repeat until you're satisfied. Rinse well. After rinsing, wipe thoroughly with a clean...