Robuta

https://www.fox26houston.com/news/workers-had-to-cut-macomb-county-fatberg-with-handsaws-to-break-it-apart
Roughly 55 feet underground, workers for a private company were called in to help clear a massive fatberg found in Macomb County and it had to be cut by hand.
macomb countyworkerscutfatberghandsaws