For wool purposes sheep are classified by the type of fibers they produce, fine, medium:
A. long and extra-long
B. long and hair
C. short and long
D. medium-long and long
Answer: B
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Las cargas de muros grandes pueden distribuirse equitativa- mente en cabezales de pilo- tes, ataguías o zapatas ensanchadas con el uso de _____.
a. viguetas de cimentación b. cimientos flotantes c. alfombrilla de cimientos d. armadura
Internal combustion means that combustion occurs in an enclosed chamber
Indicate whether the statement is true or false
How does the technician know which way to install a disposable panel air filter?
A) The arrow on the side of the filter points towards the entering air side. B) The side of the filter that is reinforced should be installed in the entering airflow. C) The arrow on the side of the filter points in the direction of airflow. D) Most disposable filters can be installed in either direction.
A common use for wood screws in HVACR work is:
A) Supporting flex duct by screwing it directly to floor joists. B) Connecting sheet-metal ductwork together. C) Fastening power wires to floor joists. D) Attaching hanging straps to wooden structures.