Not very although many that I have seen have some sort of brightly
colored "handles" on the front to indicate the releases for them.
On 5 Oct 2001, at 15:56, J. Kelly Cunningham wrote:
> How standardized are the weight integrated
> systems? Assisting a diver in distress could
> be a problem if there is a great deal of
> variation.
~~~~~~~~~~
Mike Wallace
Huntsville, Alabama