It is recognized that the needs and requirements of manufacturing facilities or enterprises vary from one to another, and it is not feasible to formulate a set of regulations as to minimum area requirements, front yard, side yard or rear yard lengths, width or area, the size and height of buildings and accessory structures, power requirements, water and sewage needs, drainage, impact on the environment, storage, road requirements, traffic patterns, etc., which may be rational and meet the basic purposes of this article for all situations.