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How did “not worth a tinker’s damn” originate?

April 1, 2017 | Author: | Posted in Language

There is a difference of opinion as to whether the last word in this phrase was originally dam or damn. A tinker’s dam, according to Web­ster’s International dictionary, is a wall of soft mud, clay, dough or the like, raised around a spot that a plumber wishes to cover with solder. The material of the …

What causes pounding in hot-water pipes?

January 29, 2017 | Author: | Posted in Plumbing

The pounding and banging in hot-water and steam pipes is called water hammer or hydraulic shock. This snapping noise is produced by moving water thrown against the sides of the pipes when hot steam comes in contact with cooler water and condenses suddenly. A clanking sound is produced when a water pipe is hit with …

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