Critical Thinking 1

Gold Panning

22 - Unthreaded Fasteners

22-1 Rivets
22-2 Pins
22-3 Eyelets and Grommets
22-4 Retaining Rings
22-5 Keys
22-6 Washers

Critical Thinking 2

Factory Farming. Butter-yellow, fluffy and; trusting hens
" Factory Farming "should not be legal. There are other more natural ways to produce needed
food supply.

What are the Issue and the Conclusion ?

23 - Bolted and Riveted Joints

23-1 Shear Loading of Joints
23-2 Eccentric Loads on Shear Joints
23-3 Tension-Loaded Joints : Reloading of Bolts
23-4 Bolt Torque Requirements
23-5 Fatigue Loading of Bolted and Riveted Joints
23-6 Programming Suggestions for Joints Loaded in Tension

24 - Springs

24-1 Introduction
24-2 Glossary of Spring Terminology
24-3 Selection of Spring Materials
24-4 Helical Compression Springs
24-5 Helical Extension Springs
24-6 Helical Torsion Springs
24-7 Belleville Spring
24-8 Special Spring Washers
24-9 Flat Springs
24-10 Constant-Force Springs
24-11 Torsion Bars
24-12 Power Springs
24-13 Hot-Wound Springs

Critical Thinking 3

What are the Reasons ?