Txiav txim siab "tsev neeg" ntawm cov khoom siv ua haujlwm
Kev txiav txim siab dab tsi rau cov txheej txheem yog thawj kauj ruam ntawm kev xaiv cov khoom siv, kev siv cov khoom lag luam uas tseem ceeb rau cov khoom lag luam ua haujlwm rau kev faib tawm, muaj teeb meem ntau zaus xws li qhov sib txawv loj ntawm qhov kev qhia tshwj xeeb, thiab txiav txim siab cov sijhawm ua haujlwm tau muab faib ua cov khoom siv workpion) yog li ntawd, nws yog qhov sib faib ua haujlwm hauv pob zeb diamond (disk hom), phaj type, tig lub cev ntaus (disk, tes tsho, Ncej, Flange) thiab hom qauv tshwj xeeb xws li cov tsos; Raws li cov kev tseev kom ua ntawm kev siv ntawm kev siv ntawm qhov tseeb, nws tuaj yeem faib ua cov khoom siv thiab theem pib yog qhov tseeb, thiab cov khoom siv ua tiav kuj yog qhov tseeb.
