Assertion: electric blasting cap | /r/HasAspect | bridge wire firing assembly
Facets:
Source sentences:
text: Having now indicated in a general way the nature and purpose of this invention, there follows a more detailed description of preferred embodiments thereof, with references to the accompanying drawing in which Figure 1 represents a cross-sectional view of an electric blasting cap containing a protector unit around the entire explosive charge and having a bridge wire firing assembly.