the obvious answer is the xray
Neurointergration a noninvasive method helping to remap and rewire the brain towards negative reaction
Transcranial Doppler ultrasonography is a noninvasive method of analyzing blood flow in the brain.
Electro-Magnetic imaging
A CT scan or an MRI
internal
Imaging
The methods depend based on the type of structures. for eg. for water Retaining structures the Working stress method gives good life and for other structures which is not exposed to water, mostly limit state design works.
Which brain imaging method uses magnetic properties of different atoms to take sharp, three-dimensional images of the brain.
Lead is the traditional method used for protection.
PET scan
First thing straight, you misspelled oximetry. Second thing is the definition of pulse oximetry is a noninvasive method allowing the monitoring of oxygenation of a patient's hemoglobin.
gravity method