Original sentence: The PUREX process can be modified to make a UREX (URanium EXtraction) process which could be used to save space inside high level nuclear waste disposal sites, such as Yucca Mountain, by removing the uranium which makes up the vast majority of the mass and volume of used fuel
Edited sentence: The PUREX process can be modified to make a UREX (URanium EXtraction) process which could be used to save space inside high level nuclear waste dumps, such as Yucca Mountain, by removing the uranium which makes up the vast majority of the mass and volume of used fuel