Er but er  they devised various ways on their own to to help them with these things, you know, they er  I don't know exactly what it was called but you you would see a Maybe a riveter in below the in below the boat er doing the shell, in below the boat, and he would have a Like a hammer, a a an arm that was rigged up for him er to give him an assistance with the the machine, to hold the machine up to You know to let him work with the machine.