Different structures have different functions or purposes. The individual parts of any structure need to be selected, arranged and fixed together carefully to make sure the structure carries out its ...

Structures can be either man-made or natural. Man-made structures are made by people hence the term man-made. Examples include a bicycle, chair, crane. Natural structures are found in the environment.

The wood frame structure supported a roof, made of lead, that weighed 210 tons. The lead frame had the advantage of being fire-resistant, according to the National Library of France.