I need the parts and definition of each parts of industrial exhaust fan?

There are many type of parts use in industrial exhaust fan

1-Adjust Bolt- Adopts automatic belt tensioner which can adjust up and tight so that the belt can’t loose and drop .
2- Motor- The belt pulley adopts more stiffening rib and processed by sandblasting, become attractive, eliminate the internal stress and increase own strength efficiently;
3- V Belt- France imported axletree(bearings), high intensity, low noise, long service life.
4- Fan Blade- Variety sizes of shape and install conveniently.Size of shape(blade): 620mm(24″),780mm(30″), 830mm(32″),900mm(35″),1000mm(39″),1100mm(43″),1220mm(48″),1380mm(54″),1530mm(60″)nine kinds.
5- Flow Bead Bearing- We can manufacture A type belt or B type belt according to the sale of dealer, and satisfy different needs of customers.
6- Venetian- he fans were adjusted by advanced computer balancing tester, to smooth operating, reduce noise,enhance stability, extend service life.
7- Protection Fence-
8- Hamer