21. Aerospace Propulsion Products BV from Netherlands builds the igniter . 22. :: The igniters were also in limited supply. 23. As a result, the igniter fed pure liquid oxygen into the pressure chamber. 24. When the afterburner is turned on, fuel is injected and igniters are fired. 25. Triethylborane was used as an igniter for the Lockheed SR-71 jet engines. 26. The cartridge primers are piezoelectric igniter similar to those used by kitchen gas lighters. 27. This system used a waste-spark design, and the coils had integrated igniters . 28. The primer then sets off the igniter which ignites the propelling charge of the ammunition. 29. The red base bag also contained a small charge of black powder as an igniter . 30. Further investigation revealed the same problem for the third-stage engine a faulty igniter line.