What is the difference between centrifugal fan and blower?

The housing in the center of the wheel uses centrifugal force to push air forward into the opening. A fan circulates air throughout a room or space. The blower circulates air only in specific areas or designated areas.

What is the difference between radial and axial?

As adjectives, the difference between axial and radial？

Of or relating to an axis; Having or resembling the nature of an axis; axial; Around an axis and arranged radially like rays, radiating or converging from a common center to a common center.