To determine the location, the conductivity of the soil is measured. This location result is also checked with an old-fashioned dowsing rod.
What is air lift drilling? Air pressure blows the underground soil from the borehole down to the water through the drill pipe and is carried out continuously until water pushed out becomes clear.
Thailand pictures and videos can be used and shared with others if the originated page is credited. For credit use this link: ThaiHome.pics Thank you! | Q&A
Content last change: August 08 2024