Answer:
Step-by-step explanation:
A revolver is a handgun which consists of a revolving cylindrical chamber. The cylindrical chamber can be used for holding number of cartridges, which fire ammunition (bullet) in succession without again loading the chamber.
A safety precaution which can be used while carrying a revolver. The hammer should be on the resting on the empty chamber of the revolver. This is done to prevent the hammer strike.