Fefa'ataua'iga mo le fa'aoga i u'amea, palasitika, fafie, ma puipui mamago.Aofa'i umi: 225 mm.E fetaui mo le tipiina o mea u'amea mafiafia (2-8mm).E fetaui mo le tipiina i fao fao, pepa malo (10-100mm), palasitika (5-175mm), fiberglass faʻamalosia palasitika (8-50mm).tipi sa'o mo u'amea.