1: Mo te ahumahi peita, whare, hanga, hanga waka waka, aha atu.
2: Te whakamarumaru o roto me waho
3: Aukati i te pakaru (katoa te tukatuka)
4: Ko te totoro kiriata kirihou he ngawari me te waatea
5: Maha-papanga takai kiriata kirihou
6: Ki te kiriata adsorption hiko
7: Whaiaro-piri ki te mata o te parepare i muri i te whakatuwheratanga
8: Parenga ki nga momo whakarewa
9: electrostatic me te maimoatanga corona, adsorption kaha o te peita.