1. Cov yam ntxwv ntawm cov khoom ntim: particle loj, corrosiveness, fluidity, mesh tooj, tshwj xeeb gravity, thiab lwm yam.;2. Qhov hnyav ntawm cov khoom ntim: xaiv cov khoom ntim khoom tsim nyog (cov ntim me me, ntim loj, ntim ntim, thiab lwm yam);3. Cov khoom ntim khoom muaj peev xwm: Raws li kev ntim khoom ceev, xaiv lub tshuab ntim khoom tsim nyog ib zaug lossis ob lub ntim ntim tshuab;4. Cov khoom ntim ntsuas qhov tseeb;5. Cov khoom siv xaiv: raws li cov yam ntxwv ntawm cov khoom siv, xaiv cov khoom siv zoo: cov khoom siv corrosive yog ua los ntawm stainless hlau los xyuas kom meej lub neej kev pab cuam ntawm lub tshuab ntim khoom; Cov ntaub ntawv zoo tib yam tuaj yeem ua los ntawm cov hlau, uas txhim kho kev tsim khoom thiab txuag nqi;6. Txoj kev: Raws li cov yam ntxwv ntawm cov khoom siv, xaiv cov khoom noj khoom haus uas tsim nyog, xws li: cov khoom siv granular xws li taum pauv thiab nplej yog tsim rau pneumatic portal feeders; hmoov cov ntaub ntawv xws li hmoov nplej thiab txiv qaub hmoov yog haum rau cov ntsia hlau feeders; muaj txiv qaub hmoov thiab pob zeb Mixtures ntawm lwm cov ntaub ntawv yog haum rau ua ke feeders; block-shaped candies, strip-shaped boards, irregular boards, thiab lwm yam yog tsim rau vibrating feeders; cov ntaub ntawv loj-particle, xws li pob zeb, yog tsim rau siv cov khoom siv; 7. Lwm yam khoom siv ntxiv: cov khoom siv pub khoom noj, cov khoom ntim cia, cov hmoov av hmoov av, folding machine, sealing machine, inkjet printers, rewinding machines, etc.