O le roller compactor e faʻaaogaina le fafagaina pea ma le faʻaaogaina, tuʻufaʻatasia galuega o le extrusion, tuʻimomomo ma granulation, ma faʻapipiʻi saʻo le mea paʻu i totonu o vaega.
E sili ona talafeagai mo le faʻaputuina o mea e susu, vevela, faigofie ona pala pe faʻapipiʻi.
Ua faʻaaogaina lautele i vailaʻau, meaʻai, vailaʻau ma isi pisinisi.
I totonu o fale gaosi oloa, o vaega mai le roller compactor e mafai ona oomi saʻo i totonu o laupepa pe faʻatumu i capsules.