HDPE Makker 19 garners praise 26 October 2020 German company Schramm has brought a fast, unsinkable and high-safety mooring boat into service reports Tom Todd.Author: Capt. Johnhttps://www.maritimejournal.com/news101/vessel-build-and-maintenance/ship-and-boatbuilding/hdpe-makker-19-garners-praise