[International Standard] Plugs, socket-outlets and couplers for industrial purposes. - Part: 2: Dimensional interchangeability requirements for pin and contact-tube accessories
IEC 60309-1 (2012)
[International Standard] Plugs, socket-outlets and couplers for industrial purposes. - Part 1: General requirements
A paragraph is a self-contained unit of a discourse in writing dealing with a particular point or idea. Paragraphs are usually an expected part of formal writing, used to organize longer prose.