Assertion: electric blasting cap | /r/CapableOf | describe hereinb fore
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text: The electric blasting caps described hereinb fore that contain a protector unit have be tested to determine their resistance to deton tion upon strong external heating in the fellto A cast Iron crucible containing molten Wood metal and equipped with a thermocouple and shield was set up in a manner which allowed ti insertion therein of electric blasting caps.