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Q7: A ridge that is perpendicular to the
Q7: Concrete slabs can often be poured over
Q9: What type of system heats air in
Q9: The NEC defines a(n) _ as the
Q11: Railings should be used at stairs, landings,
Q14: A(n) _ is a trim board placed
Q35: _ can be internal, or relating only
Q57: The _ of the lathe is determined
Q82: _ hammers are used when a soft,
Q146: Ferrous metals are metals that contain _.<br>A)