O le saoasaoa o le lanu e faasino i le maualuga o le mataʻu o ie vali i lalo o le gaioiga o mea mai fafo (extrusion, friction, fufulu, timu, faʻaalia, malamalama, faʻafefeteina o le sami, faʻaofuofu faua, vai stains, afu stains, ma isi) i le taimi o le faʻaaogaina poʻo le gaosiga.E fa'ailogaina le saoasaoa e fa'atatau i le fa'ai'uga...
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