    Sentence 1 What type of technology is the non organic separating of    Gases?    Sentence 2 the other major method of producing 0,2 gas involves  passing d-stream.of clean, dry ‘air through one .bed of @ pair of  identical zedlite malecular sieves, which absorbs the nitrogen and  delivers «.gas strearithiat is 90% fo 93% 0.2