4
Core IV Pre-term
Sankey Diagram of Global Flows of Steel (by Cullen&Allwood 2011) from: Going on a metal diet, 2011 available at http:// www.lcmp.eng.cam.ac.uk/wp-content/uploads/T2-Report-web.pdf
Technique for measurement of metabolism under work, from Francis Benedict Human Vitality and Efficiency, 1919 in Fluxtopia: On Life in the Metabolic City
