E aofia ai se seti e fa o fale, fa'atonutonu valve/damper, diffuser plate ma gel fa'amaufa'ailoga HEPA faamama. O se fa'ailogafa'amama ea ma masini fa'amamāina mo faiga fa'alelei mama ma e talafeagai mo potu mama i vaila'au,biotechnology, fale suesue, malosiaga fou ma isi alamanuia.