Hauv cov xwm txheej nyuaj nws yog qee zaum nyuaj rau kwv yees qhov zoo thiab qhov tsis zoo ntawm qhov project tshwm sim. Nws tsis tu ncua tshwm sim tias qhov kev hloov pauv yog qhov zoo rau qhov system tag nrho (kev txuag, kev pabcuam zoo dua, pej xeem noj qab haus huv zoo dua), tab sis hais tias qhov no yog nyob ntawm tus nqi ntawm ib lossis ntau tog hauv qhov system. Thaum muaj nyiaj, yog kev them nyiaj los ntawm kev sib koom ua ke qee zaum tsim nyog kom ua tiav qhov kev lees paub, yeej-yeej (ntawm tsis poob-tsis poob) tsim qhov xwm txheej, qhov twg lub hnab nyiaj ntawm ib tus tsis tau sau los ntawm lwm tus.