On 13/09/2017 17:14, charles wrote:
In article ,

[Snip]

An electric drill is perhaps a poor example - I doubt I have used my
conventional mains drills more than a couple of times in the last
decade.

Drilling holes in galvanised steel trunking is easier with a mains drill


I was quite happy with my pair of Bosch battery SDS drills until I
bought the same tool but mains powered. Jeez what a difference! Thrice
the watts of course.

Bill