Enter pump industry, what book can you read

Here are some more professional answers:
 
Stage 1:
 
"Engineering Fluid Mechanics", "Mechanical Design and Manufacturing", "Pump Manual", "Mechanical Engineering Materials", "Fundamentals of Manufacturing Technology", "Pump Theory and Technology"
 
Stage 2:
 
Mo Angry, Buddhist Sutra, Lao Tzu
Ideology and Politics, On Protracted War
 
Stage 3:
 
Guide to Rehabilitation of Cervical Spondylosis Daily Nursing of Lumbar Disc Herniation
Prevention and Treatment of Heart Disease, Hypertension and Hypertension
"The Self-Healing of OCD," "Psychiatric Symptoms."
 
Stage 4 :(key points)
 
"To Live" "An Actor's Self-Training"