it means the barrel is wrapped with amother wall
demarini f3 is the only one ive heard of, and it warrants researching.
As far as I know, there's no such thing as a double wall tyre.OTOH there are things as double wall rims, and those are available in the 24" size. Which, of course, could be built up into a "double wall wheel", but that name just isn't used.
Ice boxes are provided with double walls for strength. A double wall box has -- what it says --- a double wall. A single wall would not be as strong. I believe there are also some benefits of protecting the ice from the "elements".
Having a double wall increases security for physical security.
nah their single wall
No it is not a double wall.. The T22C6 is a composite bat with a Titanium inner sleeve. And they are super hot...
MLB player Josh Wall bats right.
Alienation Black Sheep Double Wall Rims, front and back
No, a double wall oven takes up more places that normal single wall ovens space efficient in the kitchen. This is why you should get bid huge kitchen for oven.
John wall
Cell wall.
Double Wall Corrugated Pipe.