Isiqukathi esenziwe ngaphambilini siyincazelo ebanzi yesakhiwo sephrofayela yesitsha, esihlanganisa isitsha esikhiphekayo, isitsha esinwebekayo, isiqukathi esigoqekayo, njll. Singanelisa ukwakhiwa kwesikhashana okuzosetshenziswa njengendawo yokulala, ihhovisi, ikhaya lokuhlala, ikotishi leholide, njll. Linganelisa isikhala esikhulu sokulayisha ukuze wonge izindleko zokuthumela kumakhasimende.
Ohlotsheni ngalunye lwemodeli, sinamadokhumenti esingeniso anemininingwane ukuze ikhasimende liwahlole futhi liwaqonde.