Isisebenzi se-H&E sinolwazi olucebile kubuchwepheshe namasu emikhiqizweni yabo iminyaka eminingi. Ngomkhiqizo ngamunye, i-H & E kufanele idlule ekuhlolweni okuqinile kwe-QC nonjiniyela lapho kudingeka.
I-H&E izibophezele ekuhlinzekeni amakhasimende aphesheya ngekhwalithi ephezulu, imikhiqizo engabizi kakhulu kanye nokulethwa okusheshayo. Letha imikhiqizo nesevisi engcono kakhulu kumakhasimende futhi usungule ubudlelwano obuseduze bebhizinisi ukuze bazuze ngokulinganayo esikhathini eside.