Ikpe
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Ngwa Okwu nke Aquaculture na Korean
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Ngwa Okwu nke Aquaculture na Malaysian
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Ngwa nke Chlorine fọdụrụnụ na mmiri ọñụụ na America
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Ngwa nke ụlọ ọrụ Hydroponics na Brazil
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Ngwa Okwu nke Fermentation dị elu na India
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Usoro nlekota nke Fermentation nke ụlọ ọrụ mmepụta ihe na Russian
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Ọmụmụ ihe gbasara nrụpụta ike ikpo ọkụ n'efu na osisi igwe dị na Tangshan
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Ngwa nke Ụlọ Ọrụ Ngwọta Ọsọ mmiri na Beijing
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Ngwa nke otutu paramita na ụlọ ọrụ na-ahụ maka nsị na Vietnam
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Ngwa maka ọdọ mmiri igwu mmiri na Urumqi, Xinjiang
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Okwu Ngwa nke Osisi Mmepụta Gas na Changqing Oilfield
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Okwu ngwa netwọkụ mmiri ozuzo na Chongqing
