Russian pronunciation lookup
выполнен
Said in one Russian podcast line.
каждый должен был выполнен по замкнутой схеме
everyone had to be completed according to a closed scheme

Открытый КосмосДвигатель НК-33 - успех трёх К.
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).