Non-examples
Sometimes the presence of repeated words does not create a redundant phrase. For example, a "redundant RAID (redundant array of inexpensive/independent disks)" may in fact be a backup RAID in the system being described, "laser (light amplification by stimulated emission of radiation) light" is light produced by a light amplification process, "CSS (cascading style sheets) sheet" is used to express a sheet written in the language.
Read more about this topic: RAS Syndrome