Image Reference Ceramic Engineer: https://mtrl.ubc.ca/files/2020/08/2014_04_03_Negar-Roghanian_Photo-MartinDee-11-scaled-e1598279806107.jpg Composite Engineer: https://themanufacturer-cdn-1.s3.eu-west-2.amazonaws.com/wp-content/uploads/2013/05/14122001/EPM-1024x713.jpg Plastic Engineer: https://www.uml.edu/Images/two-males-hard-hats-plastics-recycling-center-1400-opt_tcm18-233937.jpg?w=l Material Engineer: http://www.enviroterm.com/wp-content/uploads/2015/10/material_engineering_pic_a.jpg Metallurgical Engineer:https://www.requisite.org/wp-content/uploads/2019/08/metallurgy.jpg Polymer Engineer: https://texchemgroup.com/wp-content/uploads/2016/07/division-polymer-1.jpg