Kuyo yonke inqubo, i-filtrate ayiyeki ukugeleza, ibona ukukhiqizwa okuqhubekayo nokuzenzakalelayo.
Isihlungi esizihlanza ngokuzenzakalelayo sakhiwe ngokuyinhloko ingxenye yedrayivu, ikhabhinethi yokulawula kagesi, ipayipi lokulawula (okuhlanganisa ukushintsha kokucindezela okuhlukile), isikrini sokuhlunga amandla aphezulu, ingxenye yokuhlanza (uhlobo lwebhulashi noma uhlobo lwe-scraper), i-flange yokuxhuma, njll. .