Tip - How to Use a Plumb Line

Published 9 years, 5 month(s) ago | Submitted by patty Melton

Plumb lines, also called plumb bobs, are alternatives to levels when you want to find a straight vertical line. In simplest form, a plumb line consists of a piece of string with a weight at the ...

For further reading: http://homeguides.sfgate.com/use-plumb-line-48561.html

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Posted: 9 years, 5 month(s) ago

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