A pleuch (cutty form plou) is a simple machine uised in fermin. A pleuch is pulled athort the grund by a body or ainimal. Whan pulled athort the grund, the plou lifts up syle an maks twa lines o muild ahint it. The syle lifted by the pleuch is mair lowse nor afore. Grund that haes been pleuched is a guid place for a fermer tae growe fuid.