O le afa'amalosi manava fa'amama atafaʻatasi ai ma pu manava manava i luga o le iʻa, lea e mafai ona faʻavavevave le ea ma foia le tele o faʻafitauli e pei o le faigofie o le mauaina o le kesi matua, susu, pala, faʻafefe poʻo le condensation, ina ia mautinoa le fou o mea taumafa.I le taimi lava e tasi, o le fiber faʻamalosia faʻapitoa o le manava o le manava e mafai foi ona taofia le paʻu mai le malepelepe ma maua ai le sili atu le gafatia o le avega.
I le taimi lava e tasi, o lemanava fa'alologo ataei ai le lelei o le mamafa mama, elasticity lelei, ea permeability o 80%, tau afifiina maualalo, ma toe faʻaaogaina.E faʻaaogaina lautele i meaʻai ma meainu, meaʻai susu, meaʻai fagafao, petrochemicals, mea tau vailaʻau, maketi oloa faʻatoʻaga, maketi togalaau, maketi fugalaau, ma isi.