1.

During the blasting method pressure range used for Non-ferrous metals is

A. 0.4 KPa to 0.7 MPa
B. 0.4 MPa to 0.7 MPa
C. 70 KPa to 0.4 MPa
D. 0.4 KPa to 0.7 kPa
Answer» D. 0.4 KPa to 0.7 kPa


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