Ngosipụta ụlọ ọrụ
Usoro mmepụta
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1.igbupu tubes achara raw
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2. na-ekewa tubes na n'ọnyá
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3.Ahịhịa isi ike
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4.exquisite ide n'ahịhịa
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5.carbonation
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6.ịhọrọ n'ọnyá
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7.ịcha ụtarị
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8.na-agbasa gluu na n'ọnyá
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9. na-ekpo ọkụ ịpị ọnyá n'ime mbadamba siri ike
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10.ịcha osisi na nha achọrọ
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11.profiling mbadamba ka chọrọ udi
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12. polishing mbadamba
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13.exquisite polishing
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14.quality checking
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15. nkwakọ
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16.finsihed ngwaahịa n'ụlọ nkwakọba ihe