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An electric trimmer. Electric hair clippers work in a similar way as manual ones, but are driven by an electric motor which makes the blades oscillate from side to side. [6] They have gradually displaced manual hair clippers in many countries. Three different motor types are used in clipper production: magnetic, rotary and pivot.
Chainsaws can be modified to suit different use-cases. Pictured is a hedge trimmer attachment fixed to a chainsaw bar, with teeth that catch hedge branches. Different bar types are available: [citation needed] Laminated bars consist of different layers to reduce the weight of the bar. Solid bars are solid steel, intended for professional use.