It depends on them. But they do have the equipment.
Use the fill bucket
if there are no paintball shops around you see if you can find either a welding shop or a scuba shop, the scuba shops can offten fill it almost full and if your lucky the weld shop can but that is rare
People generally fill cylinders by going to a dive shop or through your club. You can find diving clubs and diving shops in a number of directories or on-line. Some dive centres like the National Diving and Activity Centre also have filling stations. If you have a certified cylinder that is in date, you will find it easy to get a fill. If your cylinder is not in date it may be dangerous to fill. Most clubs have compressors and you will also find there are lots of divers like myself who have their own diving compressor who may be able to help you out.
They either go to a dive shop or have their own compressors. An average 80 ci tank costs roughly $5usd to fill
It would need to be empty, have the valve open, and it needs to have the cover off. It isn't good for your tank, so you might as well just rent a tank at the dive shop there, if that was what you were thinking. It is expensive to ship a scuba tank as well.
A paint shop is a shop which sells paint, or the part of a factory where items are painted.
A scuba diver can purchase many things for scuba diving at the Air Hog online shop. They can purchase dive knives, dive lights, dive computers, and dive bags which will help them in scuba diving.
There are a few shops in Naples, FL that offer to opportunity to purchase scuba equipment, one of them is The Naples Florida Scuba Dive Shop which offers everything you would need to scuba dive.
The Dive Shop Dubai sells scuba diving equipment in Dubai. They sell Scubapro, TUSA, XS Scuba Trident SeaLife underwater cameras and offer PADI scuba diving certifications. www.TheDiveShopDubai.com
choc paint shop
Any autobody shop should be able to get it for you. If not the paint ask for the code and see if they will mix it at a auto paint supply shop.
A label on a bottle bought in a shop would show the volume. If there is no label, fill the bottle with water to the top, then empty the water into a measuring jar or cylinder. The volume is then read off the scale marked on the measuring jar or cylinder.