Page 92 exercise 1

Mass structures: walls, dans...
Frame structures: structure of a building...
Truss structures: cranes, electricity pylons...
Suspended structures: clude suspension bridges, tents, marquees...

Page 92 exercise 2







This is a bridge that uses cables. Location( San Francisco)

Page 93 exercise 3

a) A wardrobe hanging from a rope. A strenght
b) A twisting telephone cord. A stress