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| "weeding"; sifting | |||
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| purification | |||
| clearance | |||
| cleaning; separation | |||
| purification The removal of unwanted constituents from a substance | |||
| scrubbing; steam scrubbing | |||
| desulphurization; desulphurizing process; sulphur removal | |||
| refining | |||
| scouring; washing | |||
| clearing | |||
| clarification; depuration | |||
| water conditioning | |||
| pulp cleaning; stock cleaning | |||
| clean-up | |||
| treating; rectification | |||
| acid-gas removal | |||
|
epuration : 475 фраз в 41 тематиці |