![Vacuum Truck Works at Maximum Depth](https://cole-mswmag.imgix.net/https%3A%2F%2Fwww.mswmag.com%2Fuploads%2Fimages%2Fpolston_pat_934_171031_132812.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=6874aa52b7b24dbca02baeaeee0f23b3)
Combination trucks are reliable workhorses used for years in wastewater tank and pipe cleaning. Still, some big jobs call for more capability than jetting and vacuum can deliver.
Polston Applied Technologies has developed what it calls Combination3 (as in “cubed”) technology for...