input: [0] Handle [1] 1 [2] 2 [3] Can be broken down into two separate parts. It provides the main gripping section for the user and this is where most of the ergonomics of the saw are seen. It is a rigid body, but doesn't add support to the main structure. Its rigidity is needed to counteract the forces produced by the saw itself. Must be somewhat aesthetically pleasing. [4] ABS Plastic [5] Cost effect and functional for the part characteristics. [7] Cheap, fast and cost effective method of production. [6] 
output: Injection Molding.