Polish pronunciation lookup
prostownik
Said in one Polish podcast line.
prostownik do akumulatora, jakiś kompresor, mnóstwo małych śrubokrętów do skręcania
a battery charger, some compressor, lots of small screwdrivers for assembling

Imaginarium RPG - sesje gier fabularnychTajemnice Powodzi: Miasto, w którym nic nie ma | Sesja RPG
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Polish books and courses on Amazon (affiliate link).