That project was finished last summer.
We passed our boiler inspection with flying colors afterwards.
We also wrote g code to make future ones out of steel plate.
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The new breed of pressure vessel inspectors are unaware that all riveted boilers leaked until they were first fired, when rust and calcification took over and finished the seal.
Had they let us fire it first, it would have probably fixed itself.
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Next up is to look into getting approval to manufacture steam boiler injection pumps.
The machinework is simple, it's the bureaucracy that creates the bottleneck.