Isirinji ye-TPX ijongeka imthubi kancinci, kodwa isirinji ye-vet eyenziwe nge-TPX yomelele ngakumbi, kwaye indleko ziphezulu kancinci.

Isirinji yePC ijongeka ikhanya kakhulu ekuqaleni, kodwa iya kuba mfiliba njengoko ixesha lihamba, isirinji ye-vet eyenziwe nge-PC ayomelele njenge-syringe ye-TPX, kwaye iindleko zitshiphu kancinci.