Relationship between BFD PFD P&ID and HMB. . This training material, will help you acquire a basic knowledge in reading, interpreting and conceptual understanding of the following: 1. Block Flow Diagram (BFD) 2. Process Flow Diagram (PFD) 3. Piping & Instrumentation Diagram (P&ID) 4. Heat and Mass Balance (HMB) . #processsafety #engineering #riskmanagement #safetystudies #piping #mechanical #electrical #blockflowdiagram #processflowdiagram #Pipinginstrumentationdiagram #heatmassbalance #oilandgas #engineeringconsultants #training #elixirengineering