choice. This image is a derivative work of the following images: Four pulleys FH.svg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2013-01-20T23:31:21Z...
choice. This image is a derivative work of the following images: File:Four_pulleys.svg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL 2008-09-14T19:57:25Z...
holder of this work, hereby publish it under the following license: English Pulley Model For Truckers Hitch Wikimedia username: Cobanyastigi URL: https://commons...