Tsim los nrog 3 lossis 4 qhov chaw thauj khoom, nws tuaj yeem teeb tsaraws li cov neeg siv khoom xav tau, thiab tuaj yeem daws tau yooj yimtxawm tias thaum lub sijhawm ntau lawm los xyuas kom muaj kev thauj khoomefficiency.
Qhov zoo tshaj plaws ergonomic qhov siab ntawm cov chaw noj mov txo qis qaug zog. Chaw thau khoom qhov siab tuaj yeem hloov kho kom tau raws li qhov xav tau ntawm cov neeg ua haujlwm ntawm qhov siab sib txawv thiab txo tus neeg teb xov tooj kev siv zog.
Cov hangers tau muab faib rau txhua qhov chaw thau khoom kom ntseeg tau tias qhov tsim nyog faib cov hangers ntawm txhua qhov chaw ua haujlwm.