This image is a derivative work of the following images: File:Pulleys_3_Variations.svg licensed with Cc-by-sa-3.0,2.5,2.0,1.0, GFDL 2013-01-25T21:09:41Z...
Rettungszug bei Spaltenbergung Date 25 January 2013 Source Own work Author StromBer Other versions Derivative works of this file: Pulley Selflift900N.svg...
