Precision txheej txheem ntawm hlauthiab hlau yog ua txhua yam ntawm daim hlau, cov kav dej thiab cov xaim nyob rau hauv thawj lub xeev ntawm cov hlau thiab hlau rau hauv cov khoom uas tuaj yeem siv ncaj qha los ntawm cov neeg siv los ntawm cov txheej txheem ntau lawm xws li txiav, ncaj, flattening, nias, kub dov, txias dov thiab stamping. .