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A comment on Brass and lead toxicity in midrange espresso machines. Parent comment

Re:Brass and lead toxicity in midrange espresso machines by cperciva on Monday March 19, 2018 @04:00AM (#16616755)
For steam boilers and heat exchanger systems, being able to expand and deform under high pressure is a desirable feature.

I'm curious, why? Presumably it's more than just the fact that deformation allows for less catastrophic overpressure failure?

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Re:Brass and lead toxicity in midrange espresso machines by tianheyang on Monday March 19, 2018 @02:20PM (#16621387)
Correct, there is a lower chance of an explosion.
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