The horizontal step of the stairs is known as the ____.
A. tread
B. riser
C. stringer
D. stair jack
Answer: A
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Lameness in the foot or leg will cause ____________________.
Fill in the blank(s) with the appropriate word(s).
A 3V lamp requires 50 mA to operate. The lamp resistance equals ___ ?.
Fill in the blank(s) with the appropriate word(s).
The B/C ratio for a flood control project along the Swanee River was calculated to be 1.3. If the benefits were $500,000 per year and the maintenance costs were $200,000 per year, determine the initial cost of the project at an interest rate of 7% per year and a 50-year life.
What will be an ideal response?
The solder should be melted by:
A) After wrapping it around the pipe. B) By touching it to the pipe. C) By the torch flame. D) Before applying the flame to the pipe.