Kev Taw Qhia Rau Cov Ntawv Qhia Tsheb

Cov paib tsheb yog cov chaw hauv kev uas siv cov lus lossis cov cim los qhia kev taw qhia, txwv, ceeb toom lossis cov lus qhia. Kuj tseem hu ua cov paib txoj kev thiab txoj kev tsheb ciav hlau. Cov paib tsheb feem ntau tsom rau kev nyab xeeb. Kev teeb tsa qhov muag pom, pom tseeb thiab ci ntsa iab yog ib qho kev ntsuas tseem ceeb los siv kev tswj xyuas kev tsheb thiab ua kom muaj kev nyab xeeb thiab kev nyab xeeb ntawm kev tsheb. Muaj ntau hom kev tsheb ciav hlau, uas tuaj yeem paub qhov txawv ntawm ntau txoj hauv kev: cov cim tseem ceeb thiab cov paib txhawb nqa; txav tau cov paib thiab cov cim ruaj khov; illuminated paib, luminous paib thiab reflective paib; thiab cov ntaub ntawv sib txawv uas qhia txog kev hloov pauv hauv ib puag ncig tsav tsheb.