Ключевые слова:
Selection|Porosity measurement|Gamma-radiation|Geophysical measurement|Hydrology|Stratigraphy|Water resources|Magnetic flux density|Physical planning|Wells|Diameter measurement|Geophysics|Geology|Temperature measurement|Flow measurement|Electrical resistivity|Ground water|Water|Resistance measurement|Potable water|Quality|Acoustic measurement|Test equipment|Visual inspection (testing)|Trenches|Radiation measurement|Safety measures|Inductance measurement|Density measurement|Neutrons|Closed-circuit television|Electrical measurement|Voltage measurement|Electrical conductivity