Switirhisiwa swa hina na tifektri swi lawuriwa hi tisisiteme ta kahle swinene na leti tshembekaka ta vulawuri bya khwalithi leti tivekaka kufikela sweswi.Ku kombisa leswaku hi leswi switifikheti swa hina leswi pfumeleriweke emisaveni hinkwayo.
Matimu ya Hina ya Patent
Hi nghenelela eka 2 wa swihlawulekisi swa mpimanyeto wa indasitiri: - Swihlawulekisi swa xithekiniki swa ku hlayisa tifiriji ta le kaya - Swihlawulekisi swa xithekiniki swa ku hahluriwa na ku hlayisa michini yo hlamba ya gezi ya le makaya.