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About the Author: David Toh has substantive years of experience in purchasing, inventory and logistics management, specifically in the construction industry. He is currently involved in the Healthcare sector focusing on Integrated Long-Term Care for the elderly. He is a member of the Singapore Institute of Purchasing and Materials Management (SIPMM). David completed the Advanced Diploma in Procurement and Supply Management (ADPSM) course on January 2019 at SIPMM.