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9. Which of the following metal combinations are generally safe, and why? a. Copper sheet metal...

9. Which of the following metal combinations are generally safe, and why?

a. Copper sheet metal roofing with stainless steel fasteners.

b. Copper sheet metal roofing with copper fasteners.

c. Copper sheet metal roofing with galvanized steel fasteners.

d. Galvanized steel sheet metal roofing with stainless steel fasteners.

e. Galvanized steel sheet metal roofing with galvanized steel fasteners.

Engineering   Civil-Engineering   
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