Pneumatic hanging hlau, tsis siv neeg txoj kab uas hla pub, tsis siv neeg tig thiab netting, steel mesh vuam tshuab yog cov khoom siv vuam siab heev, feem ntau yog siv rau vuam steel mesh. Nws muaj txoj kab uas hla tsis siv neeg pub mis, uas tuaj yeem kho qhov loj ntawm cov hlau mesh raws li qhov xav tau los txhim kho kev tsim khoom. Nyob rau tib lub sijhawm, nws tau nruab nrog qhov tsis siv neeg net tig thiab net poob haujlwm, uas tuaj yeem hloov kho lub kaum sab xis thiab txav chaw thaum lub sijhawm vuam txheej txheem kom ntseeg tau qhov raug thiab sib xws ntawm vuam. Cov cuab yeej siv cov khoom siv pneumatic, muaj kev ua haujlwm ruaj khov, thiab tuaj yeem ua tau raws li qhov xav tau ntawm kev siv zog thiab kev ua haujlwm siab. Zuag qhia tag nrho, cov cuab yeej zoo no tuaj yeem txhim kho kev tsim khoom, txo cov haujlwm ntawm phau ntawv, thiab xyuas kom cov vuam zoo. Nws yog ib qho ntawm cov cuab yeej tseem ceeb hauv kev lag luam niaj hnub tsim.
