This movie is organized in six scenes.
- Scene 1:Introduction.
 - Scene 2:Table of Сontents.
 - Scene 3:Determine the Normal Stress in the Sphere Wall.
 - Scene 4:Introduce the Notions of Biaxial and Triaxial Stress States.
 - Scene 5:Stresses and Strains on the Outer Surface of the Spherical Pressure Vessel.
 - Scene 6:Stresses and Strains on the Inner Surface of the Spherical Pressure Vessel.
 
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