oloa

O le mika fa'amama e iai le tele o mea fa'apitoa ma e fa'aaogaina lautele i le tele o fanua aua o lona vai e tusa ma le 10 taimi maualalo ifo nai lo le mika masani.I totonu o alamanuia, e masani ona faʻaaogaina e avea ma mea faʻapipiʻi mo mea eletise ma mea eletise e ala i le maualuga o le eletise eletise ma le vevela, faʻapea foʻi ma lona malosi malosi, alkali, faʻamalosi ma paʻu.E masani ona faʻaaogaina i le eletise, puipuiga a le atunuʻu, mea fau fale, puipuiga o le afi, mea e tineia ai afi, faʻapipiʻiina electrodes, palasitika, faʻapipiʻi eletise, fai pepa, pepa asphalt, paʻu, pigments penina, ma isi.
Fa'ata'ita'iga o mica fa'amama: 6-10 mesh, 10-20 mesh, 20-40 mesh, 40-60 mesh, 60-100 mesh, 100 mesh, 200 mesh, 325 mesh, 600 mesh, 1250 mesh, etc.