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What Is In A Spirit Level? [Solved]
The spirit, or bubble, level, a sealed glass tube containing alcohol and an air bubble, was invented in 1661. It was first used on telescopes and later on surveying instruments, but it did not become a carpenter’s tool until the factory-made models were introduced in the…
How to Use a Spirit Level | Masonry
Watch this video to learn how to use a
How to use a spirit level
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Spirit level ||Spirit level in hindi ||What is spirit level?
What is
