Assuming this file is a PDF document related to an ATV, here's what it might contain:
The ATV-DVWK-A 131E standard defines a deep feature as the comprehensive, four-part calculation of secondary settling tank depths ( Atv Dvwk A 131 E.pdf
If you have any more information about the context or source of this file, I'd be happy to try and help you further. Alternatively, if you're looking for information on ATVs in general, I'd be happy to provide some general information on the topic! Assuming this file is a PDF document related
Assuming "Atv Dvwk A 131 E.pdf" is a technical drawing, manual, or engineering document, a “feature” could be one of the following: or engineering document