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flintlock 
Firing mechanism triggered when a flint struck a piece of steel.
pan cover 
Piece that closed the pan to protect the priming powder; though independent, it toggled when the steel struck the priming powder.
steel 
Piece of steel that the flint struck; it was an essential part of the firing mechanism.
steel spring 
Part that controlled the steel and the pan cover.
pan 
Container holding the priming powder.
trigger 
Piece of the firing mechanism that was pressed to set off the shot.
flint 
Stone that struck the steel to produce the spark needed to ignite the priming powder.
cock 
Controlled by the trigger, this piece allowed the flint to strike the steel.