Yam ntxwv ntawm cov ntawv khob
Cov lus ① yog lub teeb nyob rau hauv qhov zoo thiab tiv taus kom tawg. Piv nrog rau khob khob, khob ntawv khob yog lub teeb zoo thiab tsis muaj kev puas tsuaj ntawm kev tawg.
Tus nqi qis tshaj yog qis thiab qhov zoo ntawm lub teeb yuav cawm tau tus nqi khiav.
Lub teeb pom kev zoo yog qhov zoo, daim ntawv kho kom zoo nkauj yog ib qho yooj yim kom paub, cov nyom kev dag ntxias yog qhov zoo, pab txhawb.
④ tuaj yeem ua ke nrog ntau yam ntaub ntawv los txhim kho txoj haujlwm tiv thaiv. Nws yog nrog cov ntawv txhuas, yas thiab lwm yam ntaub ntawv los tiv thaiv txoj kev puas tsuaj ntawm cov khoom siv.
⑤ Shading Kev ua tau zoo, zoo dua tuaj yeem tswj cov xim, ntxhiab, saj.
⑥ yuav siv tau los ua kom tiav cov kev lag luam ntawm cov cav ntim khoom ntim khoom kom ua tiav siab kom muaj kev kub ceev, ntim.
⑦ qhib thiab sealing yooj yim, yooj yim rau zoo los ntawm Kaifeng.
⑧ yog ib qho yooj yim pov tseg ntawm cov khoom pov tseg thiab yooj yim dua mus ua dua tshiab, txuag nyiaj txiag.
⑨ qhov pib ntawm kev siv tshuab tshiab, ua cov ntawv khob manufacturing technology tsis tu ncua, cov ntawv tshiab yuav tshwm sim thiab ntau yam khoom ua si kom muaj kev nce qib thiab nce qib.
