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Spirit level with laser beam indicator for measuring horizontal alignment during building construction, has common battery to supply power to two lasers emitting beams along vertical and horizontal directions
Spirit level with laser beam indicator for measuring horizontal alignment during building construction, has common battery to supply power to two lasers emitting beams along vertical and horizontal directions
The spirit level (10) has two lasers (34,35) provided crossing each other at its one end for radiating level indicating laser beams along horizontal and vertical directions. A common battery provided in a box (36) supplies power to both the lasers.
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