Feem ntau pib xyaum ua luav yug tsiaj, tsis muaj kev paub txog hauv kev ua tiav ntawm cov tawv nqaij, tsuas yog ua rau rhuav tshem qhov khoom muaj nqis no. Txawm hais tias tus txheej txheem ntawm kev hnav khaub ncaws nws tus kheej tsis yog qhov nyuaj. Txhawm rau paub nws, nws yog qhov zoo dua rau thawj zaug coj daim tawv uas txhob txwm ua thiab sim ua txhua txoj haujlwm hauv cov qib uas xav tau. Nrog kev xyaum, koj tuaj yeem ua tiav cov txiaj ntsig zoo heev.
Nws yog qhov tsim nyog
zuag qhia tag nrho, cov kev cai, riam, ceg tawv, cov lus daws rau pickling thiab tanning, xov, khaub hlab, ntim
Cov Lus Qhia
Kauj ruam 1
Tshem tawm tag nrho cov khaubncaws sab nraud povtseg subcutaneous (rog, leeg, leeg) los ntawm cov tawv nqaij ua tshiab. Nqus tej kua muag los ntawm kev ua kab ke thiab degreasing nrog rab phom plooj plooj nrog xov dawb. Soak daim tawv nqaij rau 3-4 teev nyob rau hauv 35-40 ° C. Ntxuav nws hauv xab npum thiab ntsev tov (1 tsp. Xab npum thiab 2.5 tbsp. Ntsev rau 1 liv dej) kom tshem tawm cov rog. Yaug hauv dej sov, ua ntej nrog sab subcutaneous thiab tom qab ntawd tig pluab sab nraud. Tsis txhob txhuam los sis tawv nqaij tawv. qhov no tuaj yeem ua rau kom cov plaub txhaws thiab txhaws ntawm cov nqaij.
Kauj ruam 2
Pickle. Tso cov tawv nqaij tso rau hauv qhov kev npaj daws (rau 1 liv dej sov 50-60 ml ntawm vinegar essence 70% thiab 2-3 diav ntawm lub rooj ntsev) nrog qhov kub ntawm 30-35 ° C. Soak cov khoom raw muaj rau 4-6 teev, nplawm puav. Tom qab xaiv, tawm ntawm cov tawv nqaij kom siav rau 1-2 hnub nrog pluab tawm. Yaug tawm lossis tsis ua kom acid los ntawm nqaij thiab pluab. Ua li no, muab cov tawv tso rau hauv cov kua dej qab zib (1-1.5 g ib 1 liv dej) rau 20-60 feeb.
Kauj ruam 3
Zawv cov tawv nqaij. Qhov no yuav tso cai rau cov tawv npuag ntxiv kom nyob twj ywm, muag, tsim kua muag thiab dej tsis kam. Muab cov khoom siv tso rau hauv ib qho ntawm cov tshuaj pleev tanning. Qhov yooj yim yog 7 g ntawm chrome alum thiab 50 g ntsev rau ib 1 liter dej. So cov tawv nqaij hauv ib tus neeg saib xyuas tanning rau 12-24 teev. Zuaj me ntsis lawv thiab tawm mus pw dua (li tom qab de) rau 1-2 hnub.
Kauj ruam 4
Nyob cev nqaij daim tawv. Ua li no, npaj ib qho emulsion. qauv. Tsawg kawg 30 g ntawm emulsion noj rau ib daim tawv nqaij.
Kauj ruam 5
Qhuav ntawm daim tawv nqaij ntawm chav sov. Nco ntsoov quav thiab nyem cov nqaij thaum lub sij hawm ziab. Tig tawm thiab zuag cov plaub kom zoo nrog txhuam tshwj xeeb. Sand lub cev nrog chalk lossis plaster thiab xuab zeb nws nrog sandpaper kom txog thaum nws velvety. Txhuam tawm cov hmoov sib tov thiab ntsis cov plaub dua.
