Le mikhiqizo ihlukaniswa ngezinhlobo eziphansi zokugcina, ezingezona eziphansi zokugcina, ezihlungayo, ezingezona ezihlungayo, ezingenazintsholongwane, ezingezona ezingenazintsholongwane, kanye nezimfashini ezipakwe ezikhwameni, ezipakwe emabhokisini kanye nezipakwe ezitakiwe emabhokisini. Amaphoyinti epiphethri aphansi okugcina ahlinzeka ukusala okuncane kakhulu koketshezi ngesikhathi sokupipha. Amaphoyinti okuhlunga afakwe izihlungi ezinemingcele emihle eyenziwe ngezinto ezikhethekile, ezingavimba ama-aerosol ukuvimbela ukungcolisana. Ayahambisana nemikhiqizo eyinhloko yamaphiphethri ehlanganisa i-Eppendorf ne-Rainin.