Author Topic: The benefits of heat retention  (Read 429 times)

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Offline stonecutter

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The benefits of heat retention
« on: November 03, 2013, 07:10:16 PM »
Calzone time.....

Look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred-and-first blow it will split in two, and I know it was not the last blow that did it, but all that had gone before.
Jacob August Riis