____________________ and ____________________ are used extensively for general heating
Fill in the blank(s) with the appropriate word(s).
Propane, natural gas
Natural gas, propane
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____ is used as an inner layer in safety glass and as a protective coating on fabrics.
A. Polypropylene B. Polystyrene C. Polyvinyl butyral D. Polyvinyl acetate
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Cold-formed steel (CFS) studs and tracks (S+T sections) are classified as structural and nonstructural S+T sections What is the reason for separating them in two classes?
What will be an ideal response?
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In the accompanying figure, EO is a(n) ____.
A. secant B. radius C. diameter D. sector
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In many cases, especially on steep pitch roofs, a cricket or ____ is built between the upper (back) side of the chimney and roof deck.
a.plane b.runner c.saddle d.riser
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