Le 2015-03-20 12:02, scott a écrit :
>> I had a teacher who used to work for Pratt& Whittney and told us the
>> story of building his house.  He was so used to working with military
>> specs that he built his house with tolerances in measured in microns. He
>> says that on the first rainy day, none of the doors in his house would
>> close.
>
> I suspect in the military they take into account things like material
> expansion ;-)

Yep.  That's one of the reasons the SR-71 leaked like a sieve on the 
ground.

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