Qhov muaj pes tsawg leeg ntawm cov txheej yas yas feem ntau suav nrog Prester, Xim Xim thiab Glazing Txheej. Primer yog thawj txheej txheej ntawm txheej, thiab nws txoj haujlwm tseem ceeb yog txhawm rau txhim kho cov nplaum ntawm txheej nruab nrab ntawm txheej thiab yas substrate; Xim Xim yog txheej nruab nrab, uas yog lub luag haujlwm rau kev muab cov xim uas xav tau thiab cov nyhuv zoo nkauj; Glazing txheej yog txheej otermost txheej, uas yog siv los tiv thaiv cov txheej txheej sib luag thiab nce GLABLE.
Tsis tas li ntawd, kev sib xyaw tshwj xeeb thiab kev ua tau zoo ntawm cov txheej txheej yas sib txawv raws li daim ntawv thov kev pab. Piv txwv li, ntawm cov khoom yas, cov txheej yuav tsum muaj huab cua zoo, tshuaj lom neeg tiv taus thiab tshuab zog ua haujlwm; Thaum cov khoom siv hluav taws xob, cov txheej yuav tsum muaj rwb thaiv tsev zoo thiab kub tsis kam. Yog li ntawd, cov qauv tsim thiab cov txheej txheem ntawm cov txheej yuav raug muab kho raws li cov kev xav tau.

