Suklydau su pavadinimu. Ne O-Ring bet Back-Up Ring. Kaip paveiksliuke

"G.K."  wrote
> Taip.
>
> "Saulius74901"  wrote
>> O-Ring - Tipo varin tarpin, kuri guli po purktuku?
>
>> "G.K."  wrote
>>> Man analogika problema isisprend pakeitus varinius o-ring'us dedamus ant purktuk.
>