Hello,
Heat Exchnager:
I don't know where to stick it ... it's a DIY in free access and in English:
https://www.econologie.com/fichiers/partager3/1387373337tjCDJ4.pdf

Bus strike in Marseille, suddenly my wife does it regularly these days, what must be taken into account is the congestion (because there are still the subways and she carries it on shoulder) weight (may be to a lesser extent for a guy) and comfort. for comfort there ...

there is also a process called Jean Pain (or Jean Pain)
http://www.onpeutlefaire.com/ilslontfait/ilof-jean-pain-broussaille.php

Christophe wrote:And I'm sure that a few years ago some people said that in Greece, Spain or Italy it was not risky either ...

yes but they do not have their own billboards available

to spend a little more time going to see that ...
http://www.mots-croises.ch/Sudoku.htm

I think you have to be registered to take advantage of all the features (to check)

speaking of manipulation ...
http://www.youtube.com/watch?v=9GDFi4KP6bE

can a LPG installation be used to run on biogas?

here there is an approximate calculation according to different parameter to know the necessary power:
http://users.telenet.be/h-consult/bouw/greenHouse.htm

gegyx wrote:and not a member of the left front ...

Were they dismissed voluntarily?

There is ? (I mean elected to the assembly)

as usual implied which seeks to annoy who advances to hide and about what is clear and without polemical term if not as our ex-president would say: "break you pov con" (with a smile to make it better huh)