1. Process planning, scheduling, and flowsheet design2. Cost estimation and economic evaluation3. Physical properties of liquids and gases4. Fluid flow5. Pumping of liquids6. Mechanical separations/Three-Phase Separation7. Mixing of liquids8. Ejectors and mechanical vacuum systems9. Process safety and pressure-relieving devices10. Metallurgy and Corrosion11. Process Safety Management/HAZOP and Hazard Analyses12. Optimization of Chemical Process/Blending