Introduce el texto aquí

Introduce el texto aquí

1. Types

   • Mass structures
   • frame structures
   • Truss structures
   • Suspended structures

2. Conditions for strong structures

   • rigidity
   • Equilibrium
   • Stability

3. Types of stress

   • Compression
   • Tension/traction
   • Bending
   • Torsion
   • Shear

4. Types

   • Mass strusctures
   • Frame structures
   • Truss structures
   • Suspended structures

5. Stresses

   • Types

6. Types

   • Mass structures
   • Frame structures
   • Truss structures
   • Suspended structures

7. Stresses

   • Types
     • Compression
     • Tension/traction
     • Bending
     • Torsion
     • Shear

8. Conditions for strong structures

   • Rigidity
   • Equilibrium
   • Stability

9. Strength

   • Strengthening elements

10. Force

11. Elements that incrase stability

    • Stable
    • Centre of gravity