Rolling Contact Bearings - Part 2 Compressors: Introduction Compressors: Positive Displacement Compressors: Centrifugal and Axial Compressors: Operation of Centrifugal and Axial Types Pumps: Basic Types and Operations Pumps: Performance and Inspection Pumps: Fundamentals of Centrifugal Types Pumps: Reciprocating Positive Displacement Types Pumps: Rotary Positive Displacement Types