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Gosi gị ebe anyị na-arụ ọrụ na ngwaahịa anyị, a na-eji ngwa anyị eme ihe nke ọma na njikọ kpọmkwem na paịpụ ụlọ ọgwụ na ijupụta silinda oxygen/ laser ịkpụcha ụlọ ọrụ/ọrụ ugbo ịkụ azụ/ọkụ nke jupụtara na oxygen/ntinye oxygen n'elu/mmeghachi omume oxidation/ike ọkụ.
Oge ozi: Eprel-08-2022
