Russian pronunciation lookup
герметичны
Said in one Russian podcast line.
В специальные герметичные контейнеры лежали непонятные приборы и инструменты.
In special airtight containers lay strange devices and tools.

Тайны земных глубинВзрыв на озере
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).