Spark (fire)

This article is about the incandescent particle. For electrical and other sparks, see Spark.
Sparks from a screw held on a grinder
Sparks while cutting a roof in Tokyo, Japan

A spark is an incandescent particle.[1] Sparks may be produced by pyrotechnics, by metalworking or as a by-product of fires, especially when burning wood.

  1. ^ National Fire Protection Association (2005), "Glossary: Spark", User's manual for NFPA 921, Jones & Bartlett Learning, p. 411, ISBN 978-0-7637-4402-1, archived from the original on 2017-12-16