ventilation fans

Why should we use industrial axial fans for factories and warehouses?
axial fans are the type of fans used in many workshops. so what is the reason why this fan is used so much? let's find out to get the answer
5 ways to cool the roof in extremely hot and sunny days
the roof is especially the iron roof that absorbs a lot of heat and radiates heat directly into the house. so, how to resist heat for roofs to achieve the highest efficiency?