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author
Don D. Ratnayaka
Chemical engineer with extensive specialist knowledge of water treatment techniques; responsible for all aspects of water treatment process design for projects in UK, Europe, Africa, Asian sub-cont...lihat lebih banyakChemical engineer with extensive specialist knowledge of water treatment techniques; responsible for all aspects of water treatment process design for projects in UK, Europe, Africa, Asian sub-continent, Middle East, Far East, and Australia.lihat lebih sedikit