Cov yam ntxwv ntawm cov yeeb nkab sib txawv Caps

Cov duab ntawm cov yeeb nkab cap ncaj qha cuam tshuam rau nws cov sealing kev ua tau zoo thiab yooj yim ntawm installation. Cov duab zoo ib yam muaj xws li lub kaus mom tiaj tus - topped caps, dome- zoo li lub kaus mom, thiab conical caps. Pav ca- topped caps muaj cov qauv yooj yim thiab yooj yim rau nruab; dome-zoo li lub kaus mom muaj lub siab ua haujlwm zoo thiab tsim nyog rau qhov chaw siab -siab; conical caps, vim lawv cov qauv tsim, feem ntau siv rau hauv cov ntawv thov kom txo cov dej tsis kam.