Along with the arched building, you can order standard rooftop mechanical ventilation. This is a very cheap and efficient way to ventilate your structure.
the vent doesn't need any electric connection.
The vent is made from 2 pieces:
the vent come in one size.
you can put couple of vents – it's depent on the structure dimmensions.
Our unick shape of a tounell has a big benefit in the ventillation- you can add a suctions fans thats suc all the hot air from top of structure, and that whats help the structure stay cool and provide clear air from gases of machines .
this solution are fits specially for factories, that need clear air for all there workers.