- 
              
                Geophysical Exploration Instrument(183)
- 
              
                Geophysical Resistivity Meter(38)
- 
              
                Geophysical Well Logging(43)
- 
              
                Borehole Inspection Camera(47)
- 
              
                Borehole Water Level Meter(29)
- 
              
                Borehole Inclinometer(32)
- 
              
                Seismic Instruments(47)
- 
              
                Magnetic Survey Instruments(40)
- 
              
                Pile Integrity Test(13)
- 
              
                Pile Load Test(8)
- 
              
                Borehole Drilling Machine(19)
- 
              
                Seismic Geophone Sensor(11)
- 
              
                Seismic Cable(8)
 



