1: Cov khoom siv casters: cov neeg ua kom zoo nkauj, PU log (cov ntaub ntawv mos, haum rau hauv tsev ntoo, thiab chav siv tshuab).
2: Lub tog zaum ceg: Lub thickness ntawm cov hlau ncej ncaj qha cuam tshuam rau kev pab lub neej ntawm lub rooj zaum. Kev kho deg: polishing, tshuaj pleev xim pleev xim, ci pleev xim (cov duab ci saum npoo, tsis yooj yim kom tshem tawm cov xim), electroplating kom tshem tawm cov ntaub ntawv (daim duab ntoo tsis tuaj yeem yog electroplated), electroplating zoo yog qhov zoo, thiab nws tsis yooj yim rau xeb.
3: Pneumatic pas nrig: tseem hu ua tus pas nrig txuas, siv txhawm rau kho qhov siab thiab sib hloov ntawm lub rooj zaum.
4: Chassis: Qhov feem uas tuav lub rooj zaum, thiab hauv qab yog txuas nrog cua pas nrig.
