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20251001_160716.mp4Removing dumpy level from the tripod stand after taking back site readings
20251001_160443.mp4Setting dumpy level on a tripod stand to take back site from staff reading
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20251001_160716.mp4Removing dumpy level from the tripod stand after taking back site readings
20251001_160443.mp4Setting dumpy level on a tripod stand to take back site from staff reading