- 
                                  Geophysical Exploration Instrument(183)
- 
                                  Geophysical Resistivity Meter(38)
- 
                                  Geophysical Well Logging(43)
- 
                                  Borehole Inspection Camera(47)
- 
                                  Borehole Water Level Meter(30)
- 
                                  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)
 



