1. Dab tsi yog hnab looj tes ua tawv tawv?
Phua tawv tau muab los ntawm hauv qab txheej ntawm cov nyuj uas tseem tshuav ntxiv tom qab kev sib cais los yog kho kom txhawb nqa lub zog thiab zoo nkauj tuab.
Piv rau tag nrho cov tawv tawv, sib cais yog ib qho kev pheej yig dua uas tsis txo qis kev ua haujlwm hauv qhov chaw ib puag ncig hnyav.
2. Kev Lag Luam Zoo ntawm kev sib cais ua haujlwm looj hnab looj tes
Hnav Zoo Tshaj Kuj
Ib qho ntawm cov khoom zoo tshaj plaws ntawm cov tawv tawv yog nws lub siab tiv taus kev ua haujlwm dua li kev rov ua haujlwm xws li kev sib txhuam, qhov chaw sib sib txuas, yuav txwv tsis pub hnav cov ntaub ntawv softer tam sim ntawd.
Kev tiv thaiv txhim khu kev qha tawm tsam cov cua sov thiab lub txim taws
Txawm hais tias lawv tsis yog li tshav kub-resistant raws li cov hnab looj tes wroves, cais} Qhov no ua rau lawv muaj kev sib tsoo, thiab kub {{{2}
Raug nqi rau kev siv loj-teev
Phua tawv muaj tus nqi qis dua li saum tawv, ua ob hnab looj tes tshwj xeeb rau kev lag luam uas yuav tsum tau yuav khoom hauv kev ua haujlwm loj .
Muaj zog tuav thiab dexterity nyob rau hauv kev mob hnyav
Grips cov cuab yeej, hlau seem, lossis tsev cov ntaub ntawv ruaj ntseg, txawm tias nyob rau hauv hnab looj tes lossis cov khoom siv ntub, tab sis nws cov khoom sib tw loj dua thaum tuav cov ntaub ntawv ntse lossis hnyav.
