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The lead wires should have

Which of the following character should be present in individual who wish to go for trekking or mountain climbing? A. Person should be athletic. B. Person should be mentally strong so that he can overcome tough conditions. C. Person should not be acrophobic. D. Person should not have allergy from excessive cold and should not have asthma or any breathing problem. E. Person should have sufficient haemoglobin in the blood.

The material of fuse wire should should have