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Using the laser level to ensure that the stations are centred correctly. I aligned the laser, then put a ruler up along the centreline and ensured that the laser hit the ruler in the middle.
Apr 13, 2004 - 19:50
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img_1603 (2/11)
Using the laser level to ensure that the stations are centred correctly. I aligned the laser, then put a ruler up along the centreline and ensured that the laser hit the ruler in the middle.
Apr 13, 2004 - 19:50