Nrog rau kev ua tau zoo zuj zus ntxiv ntawm cov riam phom niaj hnub no, qib siab ntawm ntau hom khoom siv tiv thaiv kuj tau nce sai heev. Yav dhau los, cov tub rog los ntawm ntau lub tebchaws tsis muaj kev tiv thaiv ntau thaum sib ntaus sib tua lossis ua lwm yam haujlwm txaus ntshai. Feem ntau, lawv hnav lub kaus mom hlau. Hnub no' cov tub rog feem ntau hnav lub cev armor ua ntej lawv ua.
Txij li thaum lub cev armor tsis tuaj yeem tiv thaiv phom phom tua, thaum tsim nyog los txhim kho kev tiv thaiv kev ua haujlwm ntawm lub cev armor, cov tub rog yuav tsum tau tshem tawm cov mos txwv qhov ntxig thiab siv lawv ua ke nrog lub cev armor. Cov khoom siv ntawm lub rooj tsavxwm tsis muaj phom tuaj yeem muab faib ua cov hlau, ceramic thiab polyethylene, uas tuaj yeem tiv thaiv sab thiab pem hauv ntej ntawm tib neeg lub cev.
Siv lub ceramic mos txwv hlau phaj ua piv txwv. Thaum cov mos txwv tsoo cov mos txwv tsis pom kev, cov txheej ceramic yuav tawg, thiab lub zog cuam tshuam ntawm cov mos txwv yuav tawg thiab nqus, thiab tom qab ntawd lwm cov khoom siv hauv cov mos txwv ceramic tuaj yeem qhwv hauv polyethylene. Los ntawm kev tuav lub mos txwv thiab tawg shrapnel, txhua yam khoom uas yuav ua rau tib neeg lub cev raug kaw, yog li tiv thaiv tib neeg lub cev kom zoo.
