Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Es palanca. Estoy segura. Probablemente se trata de la explicación de como funciona una agrua. Ver:
Principio de la Palanca - [ Translate this page ]
... Una palanca está en equilibrio cuando el momento de fuerza total hacia
la izquierda es igual al momento de fuerza total hacia la derecha. ...
Davorka Grgic Local time: 01:45 Native speaker of: Croatian, Spanish PRO pts in pair: 905
Explanation: This device is located at the rear part of the truck and enables to lift loads into without the aid of an external crane. It consists of a "platform" actuated by two hydraulic cylinders.