O le ogaumu gaosi kasa o lo'o fa'atatau i se reactor e fa'aaogaina e gaosia ai le kesi, kesi vai ma kesi semi-vai.O le ogaumu tino e cylindrical, o le atigi pito i fafo e faia i le ipu uʻamea poʻo piliki, faʻapipiʻiina i piliki refractory, ma faʻapipiʻiina i mea fafaga, paipa paipa ma paipa kesi.E tusa ai ma le fausaga, e mafai ona vaevaeina i masini faʻainisinia, laʻasaga generator, afi faʻapipiʻi faʻasolosolo ma lua-laasaga generator.E tusa ai ma le faagasologa, e mafai ona vaevaeina i totonu o le moega tumau po o le fluidized moega gas generator.