Microcrystalline abrasion-resistant alumina polo o se mea e sili ona lelei e olo ai, e faia i mea faʻapitoa filifilia, faʻatekonolosi faʻapipiʻi, ma faʻapipiʻiina i totonu o se kiln tunnel maualuga.O lenei oloa e maualuga le maualuga, maualuga le maaa, maualalo le ofuina, lelei seismic mautu ma lelei le pala.O le auala sili lea ona lelei mo le oloina o tioata, pili ma pauta minerale, ma e faʻaaogaina e fai ma mea e olo ai sima ma sima polo mill., Coatings, refractory, inorganic mineral powder ma isi alamanuia.