Uvuniwu umagwiritsidwa ntchito kwambiri pakuwotcha ndi kuchiritsa, kuyanika ndi kutaya madzi m'thupi ndi zinthu mu hardware, pulasitiki, mankhwala, mankhwala, chakudya, zaulimi ndi zam'mbali, zam'madzi, mafakitale opepuka, mafakitale olemera ndi mafakitale ena.Mwachitsanzo, zopangira, mankhwala, mapiritsi Chinese mankhwala, kulowetsedwa, ufa, granules, nkhonya, mapiritsi madzi, mabotolo ma CD, inki ndi utoto, masamba opanda madzi, mavwende zouma ndi zipatso, soseji, pulasitiki utomoni, zigawo zamagetsi, kuphika utoto, ndi zina.