Ibi bifitanye isano nuburyo bwo gupima amakuru agaruka mu kirere cya grille, aho ushobora kwiga kubyerekeranye nuburyo bugezweho bwo gupima indege yo mu kirere hamwe n’inganda zijyanye n’amakuru, kugira ngo bigufashe kumva neza no kwagura uburyo bwo gupima isoko ry’indege ya reta.