हाल ही में, बुलेट प्रूफ जैक� – McqOptions

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1.	हाल ही में, बुलेट प्रूफ जैकेट बनाने के लिए किस सामग्री की सिफारिश की गई है?
A.	केवलर
B.	इस्पात (Steel)
C.	ग्राफीन (Graphene)
D.	सीसा(graphite)
Answer» D. सीसा(graphite)

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