24 itula vai absorption faateleina fua≤10%, malosi faaletino ma kemikolo maualuga, maaa maualuga maualuga, mautu tulaga lelei, faatinoga lelei le susu, tulaga lelei oloa mautu, lua tekinolosi gaosiga mo le vevela oomiina lua itu oomi faapipii, e mafai ona fetaui ma le oomi vevela, oomi malulu, slotting ma milling.Mainly talafeagai mo le gaosiga o mea fafie faʻapipiʻi substrate.