What are the non- medical uses for endoscopy?

Non-medical uses for endoscopy are as follows:

a. The planning and architectural community have determine the endoscope helpful for pre-visualization of scale models of projected buildings and cities (architectural endoscopy)

b. Internal inspection of complicated technical systems (bore scope)

c. Endoscopes are also an instrument helpful into the examination of improvised explosive devices through bomb disposal personnel.

d. The FBI utilises endoscopes for conducting surveillance through tight spaces.