On Fri, 27 Aug 2004 01:48:15 +0100, John Rumm wrote:

nog wrote:

Soorry to sound higgor'nt but what's SDS?

A google of this group will get you loads of discussions on the topic.

You're absolutely correct, but, while there have been many mentions of SDS
drills, I didn't find anything that indicated the meaning of SDS, hence I
put the question here.
Thanks for the excellent explanation. :-)