In article s.net,
Doctor Drivel wrote:
Do you shovel coal into your boiler?

If I did, it would need servicing at least once a year. Is this how you
fuel yours and why you insist on yearly servicing?

And is this were you get your figures for '55%' efficiency?

--
*I got a sweater for Christmas. I really wanted a screamer or a moaner*

Dave Plowman London SW
To e-mail, change noise into sound.