Cov chaw lag luam thiab cov khoom lag luam tawm hauv cov qauv ntawm cov menyuam xovxwm-phab ntsa sawv yog nrov heev hauv kev lag luam. Feem ntau siv nws los ua kom pom kev thaij duab, duab thaij duab, cov khoom lag luam lossis lub tuam txhab logo. Rollerball xovxwm-phab ntsa sawv ua rau muaj kev pom zoo rau lawv cov kev ua kom yooj yim, txav chaw thiab yooj yim ntawm kev txhim kho.
Txhawm rau muab cov duab loj tshaj tawm rau ntawm tus chij ntawm cov menyuam khawm-phab ntsa sawv ntsug, cov qauv uas muaj qhov loj me yog qhov zoo heev - ntxiv rau, lawv cov qauv tso cai rau koj kom rov ua cov duab tso tawm thoob thaj tsam ntawm cov khoom siv no rau kev tshaj tawm kev tshaj tawm Cov. Nws kuj tseem pom zoo kom siv cov menyuam xovxwm-phab ntsa sawv ntawm cov xwm txheej uas koj xav tau kom ceev nrooj koj cov kev tshaj tawm yam tsis muaj neeg nyiam ntxiv rau kev teeb tsa.
Cov qauv ntawm xovxwm-phab ntsa sawv tsim nrog kev xav txog cua ntsawj yog qhov zoo tshaj plaws rau kev tshaj tawm sab nraum zoov. Lawv muaj qhov hnyav thiab qhov loj dua ntawm kev txhawb nqa ob txhais ceg, thiab tseem muaj nruab nrog lub qhov tshwj xeeb uas tso cai rau koj kom muaj kev ruaj ntseg kho cov menyuam xovxwm-phab ntsa sawv hauv av.
Yog hais tias qhov loj me ntawm cov ntawv tshaj tawm cov ntawv xov xwm xav tau kev kho kom haum, koj yuav tsum xaiv cov qauv nrog lub qauv tsom iav duab ntsej muag thiab cov ntsia hlau uas tsis tas siv cov cuab yeej tshwj xeeb. Txhawm rau ua kom pom ob peb daim phiaj xwm yees duab, nws raug nquahu kom xaiv cov menyuam xovxwm-phab ntsa sawv nrog chij ntsia rau hauv daim cartridge uas hloov tau, uas tuaj yeem siv rau hauv txheej txheej ob peb daim.
