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Errut Products' model EDHG concrete floor grinder can now be fitted with a laser control system to produce flat floors.The LB-2 laser Beacon and Rod Eye control system, from Laser Alignment, is claimed to maintain elevation to within plus/minus 0.7 mm, an accuracy required to grind flat and 'super flat' floor surfaces.The Rod-Eye-4 laser receiver is mounted above the grinder's pivot point and displays the corrections needed by both visible up-and-down signals and by sound signals.The ...

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