# data[].attributes.body
These are solid, heavy and very sturdy structures. Examples include walls, dams, etc.

# data[].attributes.body
These structures are composed of bars that forms triangles. They are lightweightand sturdy. Examples includes cranes, electricity pyolns, etc.

# data[].attributes.body
These structures are formed by colums and beams that act as supporting elements. One example might be the structure of a building.

# data[].attributes.body
These are held in a place by cables and suspenders attached to sturdy supports. Examples include suspension bridges, tents, marquees, etc.

# data[].attributes.body
Devices that transmit and/or convert motion are called mechanisms. The elements of a machine are: The driver element, The motion converting and/or transmitting element, and the driven element.