Per capita ecological footprint (EF), or ecological footprint analysis (EFA), is a means of comparing consumption and lifestyles, and checking this against nature's ability to provide for this consumption.
This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (April 2016) (Learn how and when to remove this template message) A Product Requirements Document (PRD) is a document containing all the requirements to a certain product. It is written to allow people to understand what a product should do.
Plans and Specifications (Construction Documents) A set of construction documents is required with each application for a permit. The submission of construction documents may be waived by the building official when code compliance can be determined based on the description in the application.