1. Tom qab muaj ntev ntev-}}}} siv ntawm curbtone pwm, txiav ntug yuav tsum tau ntse dua. Tom qab sib tsoo, txiav ntug saum npoo yuav tsum yog demagnetized thiab tsis tuaj yeem nqus tau, tsis li nws yooj yim rau kev thaiv.
2. Lub sijhawm siv cov pwm cursone, cov punches yog nquag mus rau tawg, khoov thiab khoov, thiab cov hnab looj tes punch feem ntau yog gnawed. Lub punch puas thiab xuas nrig tes tsho feem ntau hloov nrog feem ntawm cov kev qhia tshwj xeeb.
3. Thaum tswj cov clubstone pwm, kuaj xyuas cov khoom siv ntawm txhua feem thiab seb puas muaj kev puas tsuaj, tshuaj xyuas rau cov kev puas tsuaj, thiab ntsuas rau cov xwm txheej tshwj xeeb.
4. Thaum siv cov pwm cursone, elastic seem xws li springs yog feem ntau tawg, feem ntau tawg thiab deforming. Kev daws teeb meem yog hloov lawv. Thaum cov txheej txheem hloov chaw, koj yuav tsum them sai sai rau cov kev qhia tshwj xeeb thiab qauv ntawm lub springs. Cov kev qhia tshwj xeeb thiab cov qauv ntawm cov springs tau lees paus los ntawm cov xim, txheej ntawm txoj kab uas hla thiab ntev. Tsuas yog thaum tag nrho peb yam khoom yog tib yam lawv tuaj yeem hloov.

