Mechanical insulators should be aware that when fabricating jacketing for vessels, _____.

a. manual cutting is practical for only the lighter-gauge metals
b. only sheet-metal workers are allowed to fabricate sheet-metal jacket
c. all modern sheet-metal cutting machines are now computer controlled
d. they are expected to estimate, cut, and form all insulation jacket as needed


a. manual cutting is practical for only the lighter-gauge metals

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