(A) atmospheric pressure
(B) 5 kg/cm2
(C) 10 kg/cm2
(D) 40 kg/cm2
(E) 75-80 kg/cm2
(A) atmospheric pressure
(B) 5 kg/cm2
(C) 10 kg/cm2
(D) 40 kg/cm2
(E) 75-80 kg/cm2
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