Why does this weigh 900lb?<div><br></div><div>Just a little curious. I&#39;m supposing they have some cast parts?</div><div><br></div><div><a href="http://www.ebay.com/itm/CNC-Laser-Engrave-Acrylic-Cutting-Machine-1400x900-mm-/120485325284?pt=LH_DefaultDomain_0&amp;hash=item1c0d7c29e4#ht_2702wt_952">http://www.ebay.com/itm/CNC-Laser-Engrave-Acrylic-Cutting-Machine-1400x900-mm-/120485325284?pt=LH_DefaultDomain_0&amp;hash=item1c0d7c29e4#ht_2702wt_952</a><br>

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