On Sun, 11 Dec 2016 10:59:56 -0000, dennis@home wrote:

On 10/12/2016 21:11, James Wilkinson Sword wrote:

Someone who services or repairs boilers will have a lot of statistics
first hand on how long they run without tinkering.


However they will be somewhat skewed as he will only have repair stats
on those that have broken and not on those that haven't broken as he
wont know they exist or those that have been fixed by someone else.

I was assuming he also serviced fully functional ones.

--
Peter is listening to "DJ Splash - Inspiration"