Which parts of the vacuum are washable?

1. Washable: Dust cup, cyclone assembly, filter element and built-in HEPA, floor roller brush, combination crevice nozzle, Mini-Brush roller brush, and dust-removal soft-hair brush.
2. Unwashable (with motors and bearings inside): Vacuum body, welt soft bristle brush, metal connecting rod, Mini-Brush body, and air-outlet filter.