Kev tsim kho cov txheej txheem ntawm peb cov lag luam npias tub yees iav qhov rooj pib nrog kev xaiv zoo siab ntawm cov ntawv nkag mus rau hauv peb lub Hoobkas. Cov txheej txheem ua raws cov theem sib txawv xws li txiav, polishing, thiab tempering ntawm iav. Pom zoo, txhua theem, suav nrog ua silk luam ntawv thiab sib dhos, undergoes kom huv si kev soj ntsuam thiab kev tswj kom zoo. Rwb thaiv tsev yog qhov tseem ceeb rau cov ntawv thov hauv tub yees, kom pom kev txuag hluav taws xob thiab cov khoom lag luam thiav. Thaum kawg, sib dhos ua ke cov iav thiab cov thav ntawv, ua kom lub qhov rooj loj thiab ruaj khov ua ntej kev kuaj xyuas ua ntej tau ntim khoom rau cov zaub mov xa tuaj. Xws li cov txheej txheem tsim qauv nruj ua kom peb cov khoom kom ua tau cov qauv zoo uas yuav tsum tau ua hauv kev ua lag luam tub yees, ua rau kev saib xyuas tsawg thiab ntev ntev.
Kev lag luam npias tub yees iav qhov rooj los ntawm Tuam Tshoj yog quintessential hauv ntau cov xwm txheej, txhim kho ob qho kev ua haujlwm thiab kev ua kom zoo nkauj. Cov iav iav no tau nthuav tawm hauv cov khw muag khoom, cov dej ua kom muaj zog thaum tswj cov tub yees kom zoo. Cov khw noj mov thiab cafes tau txais txiaj ntsig los ntawm cov kev daws teeb meem no los ntawm kev khaws cov ntsiab lus pom thiab yooj yim rau cov neeg siv khoom. Tsis tas li ntawd, lawv yog qhov zoo rau kev siv nyob rau hauv cov chaw muag khoom yooj yim thiab dej cawv, qhov kev siv tau muaj txiaj ntsig zoo ntawm qhov chaw thiab pom tau zoo yog qhov tseem ceeb. Lub anti - huab thiab anti - - - -