"chris French" wrote in message
...
In message et, Dave
Liquorice writes
On Tue, 24 Mar 2009 20:49:14 -0000, mark wrote:

The warning says something like: Will come to a Sudden Stop at the Red
Line.

How does that work?

Must have posh trollies if they have an electical automatic braking sytem,
either that or an awful lot of tea leaves to make such a system worth
while.


some places obviously do, as they had such a system at the Sainburys near
where I used to live.
--
Chris French


Tesco store near me has trollies so equipped, and all of the Walmart stores
that I've seen in the US have the system.

Arfa