All the pqwt related videos taken from pqwt official website. even you can check in their website.This one also got from pqwt official website as pdf. I converted as video and posted for public information only.
Best Ground water Detectors - Electro Magnetic Technology (PQWT), VLF Tools, Resistivity Machines
Maadhav Water Detectors - 7760104887
![](https://s2.save4k.ru/pic/Gx1-E6zqe-A/maxresdefault.jpg)