Pompe ya lisansi nibice bikomeye mubikorwa bitandukanye byinganda, cyane cyane mubice byibikoresho byinganda na sisitemu ya vacuum. Gusobanukirwa neza ibice bya pompe ya lisansi birashobora kuzamura cyane imikorere no kuramba. Iyi ngingo igamije kugabanya pompe ya lisansi, kwerekana ibice byabo, imikorere, n'imikorere yo kubungabunga inganda zingirakamaro