Dab tsi yog qhov kev ceev faj rau kev lag luam hloov pauv hauv kev siv niaj hnub?

(1) Tsis txhob muab lub cuab yeej tso rau hauv qhov chaw ze rau dej lossis ntub dej;

(2) Tsis txhob muab ib yam dab tsi rau ntawm lub hwj chim cable, kom nws tawm ntawm qhov ncav cuag;

(3) Txhawm rau kom tsis txhob muaj hluav taws kub, tsis txhob knot lossis qhwv lub cable;

(4) Lub hwj chim connector thiab lwm yam khoom siv connectors yuav tsum tau ruaj khov, thiab cov firmness ntawm cov kab yuav tsum tau xyuas ntau zaus;

(5) Khaws cov khoom siv kho qhov muag thiab cov ntsaws ruaj ruaj kom huv si, thiab tsis txhob saib ncaj qha rau ntawm cov khoom siv kho qhov muag thaum cov khoom siv ua haujlwm;

(6) Ua tib zoo saib xyuas cov khoom siv, thiab so nws nrog paj rwb ntaub yog tias tsim nyog;

(7) Thaum cov cuab yeej ua tsis tiav, tsis txhob kho koj tus kheej vim kev nyab xeeb;