A maeʻa suʻesuʻega lelei, PP faʻamalama ipu (meaʻai ipu) faʻaogaina le polypropylene faʻaleleia, lea e malosi le malosi ma le faʻamalosi, faʻaleleia le faʻamaufaʻailoga faʻamaufaʻailogaina ma le faʻafefeteina o le ipu faamama, ma faʻaaogaina e le diaphragm le TPE elastomer maualuga, lea e maualuga. ..
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