____________________ is a thin layer of dark gray or black iron oxide formed during the rolling process.
Fill in the blank(s) with the appropriate word(s).
Mill scale
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How did many European radicals react to the failure of the 1848 revolutions?
a. To avoid arrest or execution, they went into exile. b. They formed armed groups and continued the struggle from rural areas. c. They recanted their views and embraced liberal ideologies. d. Disillusioned with politics, most disappeared into private obscurity.
Name three vegetables that can be planted outdoors before the danger of frost is past
What will be an ideal response?
A piece of duct measures 28 inches. When 2 pieces are fitted together, 1 1/2 inches are allowed on each duct for fitting. On a job, 28 1/2 pieces of ducting are used. Find in inches the length of the finished duct.
Fill in the blank(s) with the appropriate word(s).
____ control generally incorporates an inner loop within an outer loop to achieve more precise control of the controlled variable in the process.
A. Feedforward B. Cascade C. Ratio D. All of the above