The simplest 5 step guide to using a laser level 139422 2 - The simplest 5-step guide to using a laser level
Technology

The simplest 5-step guide to using a laser level

If you want it level, you’ll need a laser.  Although there’s not really any such thing as 100% precision in the human-made world, nothing really comes close to electromagnetic radiation-based optical amplification – known to the lay-person as a “laser”.  Sure, you’d need an infinitely broad beam for a perfectly flat wave front, but the

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