1) Concrete 2) Waste treatment technology
Found on
https://www.crosswordclues.com/clue/pondcrete
Pondcrete is a mixture of cement and sludge. Its role is to immobilize hazardous waste and, in some cases, lower-level radioactive waste, in the form of solid material. The material was used by the United States Department of Energy and its contractor, Rockwell International, in an attempt to handle the radioactive waste from contaminated ponds in...
Found on
http://en.wikipedia.org/wiki/Pondcrete
No exact match found.
