notbob wrote:
>
> On 2006-03-19, biig > wrote:
>
> > Patches, our county library has a type of step stool that has hidden
> > wheels, but when you step on it, it drops a bit to stabalize and doesn't
> > move.
>
> No doubt you mean these:
>
> http://makeashorterlink.com/?G2A3242DC
>
> Very common in industrial environments, also. The best of their type,
> IMO.
>
> nb

B is the one our library has....Sharon