What is valley underlayment in a steep roof and which material does it consist of? Is it installed over or under roof underlayment?
What will be an ideal response?
Valley underlayment consists of a 36-in.-wide asphalt-treated organic felt, installed in the valley of a steep roof. Valley underlayment is installed first, and the roof underlayment is installed later, which overlaps valley underlayment by 6 in. at its edges.
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The DCI Formats ________ can specify parameters such as Frequency Domain Assignment, Time Domain Assignment, MCS, NDI, RV, HARQ process number, and PDSCH-to-HARQ_feedback_timing_indicator.
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When servicing an air bag, which of these is the first step taken?
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A split-system air conditioner that does not operate at all most likely has:
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