Analysis, Optimization And Evaluation Of A Pipe Inspection Robot - University Of Twente Student Theses
https://www.anobii.com/en/013d4ae59c2e74da02/profile/activity
Resident Law 152 Explained By AKAM Resident Law 152 was passed in 2016 by the New York City Department of Structures (DOB), needing gas piping systems of all structures to be examined a minimum of every 5 years