Everyone knows that vasthusasthra is science of structure. But how it works and why should we follow it is most important theory. The 5 elements of nature that you know very well are earth, water, air, fire and ETHER [akash]. In this 5 elements the ETHER is most important element which only gives energy for another 4 element.
So that, we should consider the ETHER as a prime element for designing a Factory, industry, residential and commercial buildings. This is the prime formula for planning any type of construction.