Safety All structures are built with a margin of safety. This means that they have extra strength, beyond the recommended value, allowing them to withstand much larger loads than they would NORMALLY need to carry.
Making structures more safe typically costs more money.
Why do you think this is so? Designers must plan their structures, anticipating all potential conditions that may occur in the region. All things considered, accidents still happen. Architects, engineers, and designers need to organize their information about possible choices in order to pick the most suitable material for their structure.
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They must consider:
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