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    Rights: University of Waikato. All Rights Reserved.
    Published 15 November 2012 Referencing Hub media
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    Transcript

    Narrator

    After identifying the desirable limestone rock for extraction, a drill and blast method of extraction is used. An excavator loads the loosened limestone into dump trucks for delivery to the on-site crushing plant. This continuous-feed process crushes limestone chip into a range of sizes. Limestone chip 15–50 mm in size is sent to the calcination plant, while other sizes are used in other processes. 

    Acknowledgement:
    McDonald’s Lime Limited