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