When the footing-and-wall-type foundation is used, ____ are used to provide intermediate support to the structure above.
A. rebars
B. slabs
C. girders
D. columns
Answer: C
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? In the distribution below, what is the median? 4, 6, 7, 9, 12, 17, 19
A. ?9 B. ?10 C. ?12 D. ?74
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Before the advent of CAD and analysis tools, which stage of the design process involved building and testing physical models?
A. concept generation B. problem identification C. design evaluation and analysis D. concept selection and refinement
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For the best working position, the work should be ________
A) At knee or ankle level B) At neck or head level C) At chest or elbow level D) Overhead by about one foot
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Poor lighting, excessive noise, and inadequate guards for moving parts are examples of _____
a. acceptable risks b. unsafe conditions c. unavoidable hazards d. unsafe acts
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