A two-stage refrigeration system uses two refrigeration systems to produce low temperatures.
Answer the following statement true (T) or false (F)
False
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A textured architectural-concrete surface is achieved by _____.
a. painting it b. covering it with veneer c. liners attached to forms d. adding an air-entraining admixture
Studies revealed that significant amounts of water percolate through landfills
Indicate whether the statement is true or false
A duct blaster is used
A) To install duct runs in approximately half the time of conventional methods B) To install takeoffs onto plenums using high velocity and percussive force C) To clean duct systems with high velocity air D) To measure the amount of air leakage in a duct system
When drawing a concrete slab foundation layout, after the outer edge is laid out, you should use the ____ command to locate the interior side of the stem wall around the slab at the garage area.
A. TRIM B. OFFSET C. ARRAY D. COPY