What are the steps in protein structure prediction?

Although the detailed prediction processes involved in different prediction methods vary widely, the fundamental steps are consistent, including conformation initialization, conformational search, structure selection, all-atom structure reconstruction and structure refinement

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.