If your wood furniture has a lacquered finish, you will not be able to remove the paint with a chemical remover or heat gun. In this case, you will need to use a stripping pad and some acetone.

Acetone can be found in nail polish remover and is usually fairly cheap.

If your wood furniture has already been painted and you would like to remove the without damaging the finish, try using a heat gun. Heat guns can be purchased at most hardware stores for around $30.00. Simply hold the heat gun about 12-18 inches away from the paint and turn it on to the highest setting. Keep the gun moving continually over the surface of the paint until it begins to bubble and loosen. Once it is bubbled, use a razor blade or glass scraper to scrape off the paint. 

Xylene-Based Paint removal Auckland Stripper can be purchased at most hardware stores for around $10.00. If using a chemical stripper is not your style, you can also try sanding off most of the paint and then refinishing with a wood primer (alkyd-based) and a brush.

For porcelain surfaces, try using a Chloride Lime and Rust Remover .  This product can be purchased at most hardware stores for around $10.00 and comes in a spray bottle. Just lightly coat (a couple quick sprays) your painted piece with this remover and let it sit for a minute or two. Once that time is up, wipe the paint away with an old rag and some elbow grease and you're good to go!

Aluminum surfaces are usually painted with an exterior-grade latex paint and can easily be removed by sanding it off with a power sander . Power sanders can be purchased at most hardware stores for around $20-$30.00 or at an auto parts store for around $10-$15.00 if you have one already on hand. Once the surface has been scuffed up, use your heat gun to remove any remaining residue before applying a new coat of primer/paint.

Plastic pieces are best suited being refinished with primer and spray paint, but if you'd like to try and remove the old paint, try using a heat gun . Heat guns Paint stripping Auckland can be purchased at most hardware stores for around $30.00.

If your PVC or plastic plumbing pipe has already been painted and you would like to remove without damaging it, try using a heat gun . Heat guns can be purchased at most hardware stores for around $30.00.