Final answer:
Three pieces of automated equipment used by the USPS include barcode sorters, optical character recognition systems, and x-ray generators, which improve efficiency and security.
Step-by-step explanation:
The United States Postal Service (USPS) utilizes a variety of automated equipment to handle and sort mail efficiently. Among these are:
- Barcode sorters: These machines automatically scan the barcodes on envelopes and packages to sort them according to the delivery route.
- Optical Character Recognition (OCR) systems: OCR technology is used to read printed and handwritten addresses on mail pieces, enabling automated sorting without the need for barcodes.
- X-ray generators: Used as a form of security equipment, x-ray generators can scan mail for dangerous substances. These are particularly useful in detecting bioterrorism threats by irradiating suspicious mail sent to government facilities, rendering potential bacterial threats inactive without leaving the mail radioactive.
Automation not only increases efficiency but also enhances security measures within the USPS network.