When raising an extension ladder, pull the rope until the top section is in position and then _____.
a. tie the rope onto a rung to lock the desired length of the ladder
b. use at least two clamps to lock the ladder into a stable position
c. securely hook the locking mechanism over the desired rung
d. use the locking key to securely lock the length of the ladder
c. securely hook the locking mechanism over the desired rung
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What is the pressure that particular gas, contained in a mixture of gases, would have if it were alone in the container?
A) Vapor pressure B) Gauge pressure C) Partial pressure D) Vacuum pressure
Barley grain is used more for livestock feed than for human consumption
Indicate whether the statement is true or false.
Which of the following groups registers purebred animals?
a. USDA c. EPA b. Breed Association d. American Register
The reliability of power from the national electrical grid is presently _____
a. 72.4 percent b. 86.8 percent c. 98.2 percent d. 99.9 percent