- 2Significado: strainfilter sift screen sortgrade refine riddle winnow
- 3Significado: purifyrefine clean disinfect processpurge filter strain decontaminate
- 4Significado: filter intofilter penetrate permeate pervadesaturate percolate infiltrate
- 5Significado: activitypurify refine decontaminate disinfect processpurge filter strain clean