Peb yuav kho kom haum rau peb cov neeg siv khoom tshwj xeeb, kom ntseeg tau tias cov hnab looj tes kev cai tsim nyog rau ntau yam kev thov, suav nrog kev ua haujlwm hnyav, kev tuav tshuaj, thiab vuam. Ua los ntawm cov ntaub ntawv zoo uas muaj zog, puncture-resistant thiab nplaim-retardant.
