Uhlelo lwekholomu yokucwenga — insimbi yokucwenga ngezigaba enekholomu egcwalisiwe, isipholisi se-reflux, isixhumi se-thermometer, imbiza yokubilisa nezitsha zokwamukela. Hlukanisa izingxube ze-ethanol namanzi bese uziqhathanisa nokubalwa kwamapuleti ombono.