There are around 85,000 individual instruments. From them, more than 11000 instruments come for processing every day for washing, decontamination, assembling, and sterilization. They have a case cart in the main OR so when they are done with the case, all the soiled equipment they go to individual sinks. The unused equipment is separated and goes to an automatic washer. Each item is marked with the barcode to determine how this item is handled. Sensor track is instrument trucking to know how the instrument is assembled and who belongs in each tray. Every item has indicators internally and externally so every person can see and identify easily. From the above case tell us about what you learned/observed that was previously unfamiliar to you