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Kab tshuab tshuab yog ib qho cheebtsam uas pab txhawj nqa cov khoom zoo siab los ntawm kev tshuab rau hauv cov khoom tsawg dua lossis rau hauv cov khoom pov tseg. Nws yog qhov tseem ceeb rau ntau yam cheebtsam, piv txwv li cheebtsam noj qab, cheebtsam kho thiab cheebtsam kawm. Cov chaw tsim khoom li Insun tsim cov cheebtsam no rau pab cov chaw tsim khoom ua haujlwm zoo dua. Thaum koj siv kab tshuab tshuab, koj tuaj yeem sau lub sijhawm thiab tsim cov khoom uas yuav raug siv dua. Piv txwv li, rau cheebtsam noj qab, cov ntawv tshuab tau tshuab rau hauv cov pov tseg, uas yuav raug siv dua rau kev kho cov khoom noj. Rau cheebtsam kho thi, cov roj tau tshuab rau hauv cov khoom tsawg dua rau kom paub txog cov khoom tsiab uas muaj pej xeem. Kab tshuab tshuab yog ib qho cheebtsam tseem ceeb uas pab ntau cov chaw tsim khoom ua haujlwm zoo.
Kuam paub ntawm kev siv lub grinding mill yuav muaj ntau qhov tseem ceeb rau koj tus qhov chaw tsim khoom. Thaum kawg, nws txhawj xyuam rau kev tsim khoom uas yuav zoo dua thiab yuav raug rau kev siv. Piv txwv li, yog koj xav tau flour rau kev npog, kev grinding wheat rau hauv lub qhov tshuab yuav ua rau nws zoo heev rau kev tsim nyog lossis kev tsim kua. Vim li no, koj cov neeg siv khoom yuav zoo siab dua vim lawv tau txais cov khoom uas muaj qhov zoo dua. Qhov tseem ceeb ntxiv yog kev siv tau zoo. Lub grinding mill tuaj yeem tsim tau cov khoom ntau heev raws li lub sijhawm. Vim li no, nws txhawj xyuam rau kev sau lub sijhawm thiab pab cov chaw tsim khoom tsim tau khoom ntau dua rau lub sijhawm sib npaug. Piv txwv li, rau hauv lub tsev tsim khoom, kev siv lub grinding mill tuaj yeem txhawj xyuam lub sijhawm tsim khoom, uas pab tau tsim tau khoom ntau dua rau hauv ib hnub. Nws kuj tuaj yeem muaj kev siv tau zoo rau kev lag luam. Yog koj grinding cov khoom rau hauv lub chaw, cov chaw tsim khoom yuav sau tau cov nqi rau kev xa khoom thiab yuav siv cov khoom tau zoo dua. Thaum kawg, cov grinding mills tuaj yeem txiav txim rau cov khoom sib different thiab cov leej twg. Vim li no, nws tuaj yeem siv rau ntau qhov, los ntawm kev tsim cov khoom tshuaj thiab kev crushing cov rok. Cov Insun grinding mills yog qhov tsim los ntawm kev siv tau zoo thiab kev siv tau zoo, uas yog qhov tias nws tuaj yeem siv tau ntau xyoo tsis xav tau kev kho dua. Vim li no, nws txhawj xyuam rau kev sau lub sijhawm tsis siv thiab pab cov chaw lag luam tsis txhob muaj kev mob. Thaum kawg, kev siv lub grinding mill tuaj yeem pab tau kev tsim cov khoom tshiab. Los ntawm kev grinding cov khoom sib different rau hauv ib lub, cov chaw lag luam tuaj yeem tsim tau cov khoom uas muaj qhov tshwj xeeb lossis cov khoom uas tsis tuaj yeem tsim tau los ntawm lwm qhov. Qhov innovation no tuaj yeem pab cov chaw lag luam tau qhov zoo dua rau hauv lub tsev lag luam. Piv txwv li, ib tsim lub tshuab siv dua uas muaj nqi zoo yog tuaj yeem txhawj xyuam kom ua haujlwm zoo dua.