Kev Npaj 1: Daim duab kos: Tsuas yog los ntawm kev tau txais cov duab kos ua ntej koj tuaj yeem paub tias cov khoom ua tiav zoo li cas thiab cov kauj ruam twg yuav tsum tau siv;
Kev Npaj 2: Cov Khoom Siv: Thaum koj tau txais cov duab kos, koj yuav tsum npaj cov ntaub ntawv ua tiav raws li qhov xav tau ntawm cov duab kos ua ntej koj tuaj yeem mus rau kauj ruam tom ntej;
Kev npaj 3: Fixture: Ua ntej ua tiav, nws yog ib qho tsim nyog yuav tsum tau ua ib qho kev txhim kho cov khoom siv los tiv thaiv qhov tshwm sim ntawm kev sib tsoo;
Kev Npaj 4: Cov txheej txheem: Ua ntej txhua yam khoom tiav, qhov kev zov me nyuam yuav tsum tau sau, vim tias cov txheej txheem yuav tsum muaj rau cov khoom sib txawv, thiab lawv txhua tus tau sau raws li cov duab kos;
Kev Npaj 4: Kev ntsuas cov cuab yeej: Txhua lub cuab yeej yuav tsum tau nruab nrog lub ntsuas ntsuas ntsuas kom tiv thaiv qhov sib txawv ntawm qhov sib txawv;
Kev Npaj 5: Thawv: Thaum cov khoom tsim, nws yog ib qho tsim nyog los npaj ib lub thawv tshwj xeeb rau kev tso kawm, yog tias nws muab tso rau hauv indiscriminately, tej zaum yuav muaj teeb meem tshwm sim xws li bruises.