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    FourthAmbit shared to

    24 Mar 2017 5:15 pm
    How to Make Hydraulic Powered Robotic Arm from Cardboard

    mb.ntd.tv
    When LEGO is not enough fun, or even too easy with its prefabricated pieces, dump it …  You can build your own hydraulic arm from scratch!! What do I need ? In fact it’s not that much...