(1) Tom qab hloov cov kev qhia tshwj xeeb, paub meej tias qhov kev txwv ceev ntawm lub davhlau ya nyob twg ua tau raws li qhov nrawm;
(2) Nyob rau hauv lub xeev tsis siv neeg, nws yog txwv tsis pub kom tshem tawm qhov ntev thiab hloov kho qhov system tsis;
(3) Thaum hloov kho qhov ntev hauv online, txo cov kab ntau lawm ceev;
(4) Kev txhawb nqa rods ua ntej thiab tom qab lub fixture tsis tuaj yeem raug kho kom nruj heev, uas yuav ua rau lub fixture tsis clamp cov yeeb nkab steel;
(5) Tsis txhob txiav cov raj qhib;
(6) Tsis txhob nres thaum sawing;
(7) Tshem tawm lub hwj chim tswj tom qab tawm hauv lub tshuab tsis siv neeg thaum kaw;
(8) Kev khoov ntawm cov yeeb nkab yuav cuam tshuam rau kev txiav, ncaj nws sai li sai tau;
(9) Thaum hloov lub raj hom thiab kho lub tshuab, tua lub ya pom;
(10) Yuav tsum muaj dej txias txaus rau ntawm lub sawb kom txias;
(11) Thaum lub sijhawm tsim khoom hauv online, ua tib zoo saib xyuas qhov hloov pauv ntawm cov kab ntau lawm, thiab qhov hloov pauv yuav tsum nyob rau hauv qhov xav tau.
