After hours the workers secretly produced a wide variety of tools needed by the local population (axes, carbide lamps), but also barrels for the underground Vis pistol production.
One of his first assignments was an article on the movie that Fritz Lang was secretly producing, "Metropolis"(1926).
With his patron Robert Pugh, he secretly produced the book "Y Drych Christianogawl", said to be the first book printed in Wales.
And even if existing arms were verifiably destroyed, he said, Washington could never be sure that Moscow was not secretly producing new ones.
Stephen Ford used the Sharp Iron Works to secretly produce cannonballs for the British during the American Revolution.
("Entry forbidden to Jews and dogs"), while secretly producing fake ID's for members of the Jewish resistance.
He is confined in a locked room, from which he secretly produces the author's art.
All countries that secretly produce or hold nuclear weapons must be bombed.
The AMX factory secretly produced armoured bodies for these vehicles which were stockpiled.