For each given part below, indicate which is the most suitable mass manufacturing method of those that have been taught in this module. Explain why you have chosen this particular manufacturing operation. [2 marks per part] a) The feature on the peripheral surface of the metal part, as circled. b) The aluminium allow wheel. c) Toothbrush body (excluding the bristles). d) The long component with a constant cross section, made of plastic. e) Metal stepped shaft. (a) (b) C ) (d) (e)