1) Firearm terminology
Found on
https://www.crosswordclues.com/clue/powerhead
A powerhead, bang stick, smokie or shark stick is a specialized firearm used underwater that is fired when in direct contact with the target. Powerheads are often used for spear fishing and against sharks or alligators for sport, defense, or to kill nuisance animals. The term powerhead refers to the firearm-like part of the device; when attached t...
Found on
http://en.wikipedia.org/wiki/Powerhead
[pump] An aquarium powerhead is a water pump completely submerged into an aquarium to circulate water; usually this is used to create flow throughout the tank. For example a single powerhead could be used at one end of a freshwater aquarium to simulate a laminar river current, or multiple powerheads can be positioned throughout the aquarium...
Found on
http://en.wikipedia.org/wiki/Powerhead_(pump)
No exact match found.
