Dị ka otu n'ime azụmahịa anyị kachasị mkpa, Ụlọ Ịgbasa Nri enweta teknụzụ ịgbasa nri cryogenic dị elu, ime ịgbasa oxygen n'ime nri site na ngwaọrụ, mmetụta, chukwu, distillation, na ihe ọzọ. Ndị a na-eji bụ: usoro adsorption (Pressure Swing Adsorption, PSA) ma ọ bụ usoro distillation: usoro adsorption enweta molecular sieves iji gbanwee oxygen site na ihe dị iche n'ime gas adsorption, nye mgbanwe mmalite; usoro distillation mere eme oxygen site na ihe dị iche n'ime boiling point nke gas, karịrị maka ịghụta nke ukwuu.
Ọdịnala anyị nwere ike imejọpụta dị ka akwụkwọ maka azụmahịa, na-enwe n'akụkụ 93% (okwuike-enriched) ruo 99.99% (okwuike okirikiri), na-amalite ma emepe okwuike maka oke mkpa. Ekwurukwu ngwaọrụ ahụ maka uru ya elu, inweta enweta elu, na oke automation, eji ya n'ọnụ ogugu n'ime mmepụta stili, ngwa ngwa kemikal nri, njikwa okwuike medịkal, ugbo isi nri, na ndị ọzọ, na-eme ka onye azụmahịa zaghachi njikwa ma mejugharị uru.