[1] Plant Acquisition and Construction Equipment (->"IEEE Standard Dictionary")

[2] Precision Analog Computing Equipment (->"IEEE Standard Dictionary")

[3] Prefelight Acceptance Checkout Equipment (->"IEEE Standard Dictionary")

[4] Prelaunch Automatic Checkout Equipment (->"IEEE Standard Dictionary") (->"NASA Acronym List")

[5] Professional Activities Council for Engineers (->"IEEE Standard Dictionary")

[6] Programming Analysis Consulting Education (->"IEEE Standard Dictionary")

[7] Projects to Advance Creativity in Education (->"IEEE Standard Dictionary")

[8] Program for Arrangement of Cables and Equipment