Explain why it is necessary to reduce air leakage and air diffusion through a building envelope.
What will be an ideal response?
To conserve energy and prevent entry of pollutants into the building from the outside.
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Guides for pile hammers are called _____.
a. piles b. leads c. rail d. trace
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Modern cattle are descendants of ____________________ and ____________________
Fill in the blank(s) with the appropriate word(s).
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What kind of boiler is used for residential installations?
A) Steam B) Low-pressure C) High-pressure D) Hot-water
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How is field wiring distinguished from factory wiring on most diagrams?
What will be an ideal response?
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