Lub tshuab nqus tsev nqus nta
Ua ntej, yooj yim hnav. Txij li nws feem ntau yog ua los ntawm roj hmab, nws nyob hauv kev sib cuag ncaj qha nrog cov khoom, thiab qhov hnav ntawd hnyav heev, yog li qhov ploj ploj yog nrawm.
Thib ob, yooj yim siv. Tsis muaj teeb meem dab tsi cov khoom uas yog ua los ntawm, nws tuaj yeem siv tau ntev li ntev tau nws tuaj yeem raug kaw tsis muaj qhov xau. Siv tsis tau cov tshuab hluav taws xob. Lawv tsuas yog siv los ntawm hlau. Daim hlau lossis cov khoom ntawm lwm yam khoom tsis tuaj yeem nqus.
Thib peb, tsis muaj kev ua qias tuaj. Lub tshuab nqus ntim khob tshwj xeeb tshaj yog ib puag ncig, tsis ua paug rau ib puag ncig, thiab tsis tsim teeb ci, cua sov lossis hluav taws xob.
Thib plaub, tsis txhob ua qhov tsis zoo rau haujlwm. Txij li lub tshuab nqus plhaw choo yog ua los ntawm cov khoom siv roj hmab, nqus lossis qis dua qhov workpiece tsis ua kev puas tsuaj rau lub workpiece. Hook-type spreaders thiab xaim-hom kis tsis ua haujlwm. Hauv qee qhov kev lag luam, txheej txheem ntawm qhov chaw ua haujlwm yog tshwj xeeb nruj, lawv tsuas siv tau lub khob nqus dej.