Hluav taws xob qhov system ntawm lub tshuab npog ntsej muag

Xyuas seb qhov kev sib txuas ntawm cov khoom siv puas yog xoob, thiab puas yog lub ntsiab fais fab cables, ceg teeb liab cables, thiab lwm yam hnav? Kev laus? Cov khoom siv hluav taws xob xoob? Puas yog sab hauv ntawm lub thawv hluav taws xob huv si thiab tho txawv, thiab cov kiv cua puas ua haujlwm ib txwm?