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Sand Filtration
- Sand filtration is a water purification process in which water is passed through a porous bed of filter medium. Slow sand filtration? Rapid sand filtration?
Sand filtration is a water purification process in which water is passed through a porous bed of filter medium. Slow sand filtration? Rapid sand filtration?
| PowerPoint PPT presentation | free to view
Mekasnisme Rekomendasi Impor HCFC
- Pemberian Rekomendasi Kuota R-406 ... R-141, R-143, R-400, R-404A, R-407A, R-407C, R-410A, R-502, R-507, R-600, R-717 (ammonia), Genetron AZ-20 ...
Pemberian Rekomendasi Kuota R-406 ... R-141, R-143, R-400, R-404A, R-407A, R-407C, R-410A, R-502, R-507, R-600, R-717 (ammonia), Genetron AZ-20 ...
| PowerPoint PPT presentation | free to download
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