Shortages affect people in a variety of ways. If there is a shortage of food many people can die from starvation. If the is a shortage of water (a drought) many people can not only die but no one will be able to bathe and the animals can suffer from dehydration. On the other hand, a surplus is entirely different.
Answer:
CAD, or computer-aided design, refers to any software used by architects, engineers, or construction managers to create precision drawings or illustrations of new buildings as either two-dimensional drawings or three-dimensional models.
