Also known asindustry startplant commissioning
A plot or factory map is divided into pishach, manushya, dev and brahma bhoomi. An important machine started on pishach bhoomi never runs properly, while shifting it slightly onto manushya bhoomi makes it work.
Factory floor and plot divisions
A factory built on a river front was washed away by floods twice before a Vastu check showed that the site itself was wrong; a factory should never be built on a river front.
Factory sites beside rivers
Because work begun with the sun's energy goes well, and after sunset creation is considered asleep. So griha arambh, griha pravesh, factory openings and other mangalik events are held in daytime.