https://www.rbauction.ro/pdp/2008-protech-500-bbl-flat-top-s-a-frac-tank/12535531
https://www.rbauction.ro/pdp/2008-delta-500-bbl-flat-top-s-a-frac-tank/12535530
https://www.rbauction.ro/pdp/2007-ve-enterprises-500-bbl-flat-top-s-a-frac-tank/12546603
https://www.rbauction.ro/pdp/2008-ve-enterprises-flat-top-s-a-frac-tank/12522935
https://www.rbauction.ro/pdp/1994-frac-tank/12654900