Muab kev ua si tag nrho rau cov yam ntxwv ntawm ntau yam gaskets. Thaum siv cov roj av roj ua haujlwm, cov hauv qab no yuav tsum ua tib zoo txiav txim siab:
Muaj qhov zoo elasticity thiab rov qab, tuaj yeem hloov mus rau qhov hloov pauv thiab qhov kub hloov pauv, muaj qhov hloov tau yooj yim, thiab tuaj yeem sib haum nrog cov sib cuag;
Tsis pollute txoj kev nruab nrab;
Tsis ua kom tawv tawv thaum kub tsawg, qhov shrinkage yog me me;
Kev ua haujlwm zoo, yooj yim rau nruab thiab nias;
Tsis koom nrog rau txheej sealing, yooj yim rau disassemble.
