Main Components

The document references three primary components related to a seating system: the reversible backrest, the seat, and the cover (portada).

Reversible Backrest

This component is designed to be reversible, allowing for flexibility in seating orientation or comfort adjustments.

Seat

The seat is identified as a distinct part, likely designed to integrate with the backrest and cover.

Cover (Portada)

The cover is mentioned as a protective or decorative element associated with the seat and backrest.

Summary

The document appears to outline basic parts of a seating assembly, emphasizing the reversible nature of the backrest and the presence of a seat and cover. No detailed specifications, procedures, or standards are provided.