Domanda 446, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

An Electrically Heated Capsule Rupturing A Seal In The Pipeline At The Engine.
Manual remote control opening a discharge valve.
An electrically fired cartridge rupturing a seal in the head of the bottle.
A Mechanical Link Withdrawing A Safety Pin And Allowing A Spring Operated Plunger To Rupture The Bottle Seal.