Cov vov tsev mos yog qhov ua tau zoo, pheej yig thiab siv thev naus laus zis tsim nyog rau kev kho kom zoo nkauj ru tsev. Lawv ua ob qho tib si cov haujlwm tseem ceeb ntawm cov insulator thiab kev tiv thaiv kev ua haujlwm, tiv thaiv cov khoom siv. Muaj ntau ntau txoj kev xaiv rau xws li flooring, tab sis qhov nrov tshaj plaws yog dov lub ru tsev, characterized los ntawm ib tug elastic qauv. Nws kuj muaj ntau yam versions, txawv ntawm kev ua tau zoo, loj thiab lub hom phiaj