Name the type of springs that are also called flat wire compression springs, occupy an extremely small area for the work it performs, and offer the advantage of space savings when used to replace coil springs in machine design.
What will be an ideal response?
Wave springs.
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Proximity detectors are used to sense the presence of an object without physically touching it.
Answer the following statement true (T) or false (F)
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Colonial schools and colleges placed their main emphasis on
A. math. B. science. C. modern languages. D. literature. E. religion.
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Which of the following is an example of administrative controls?
A) Using hearing protection B) Adding guards to rotating equipment C) Using sound reducing housing around a pump D) Limiting the amount of time a worker is exposed to loud noises
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Which of the following is not a vegetative control for lawns?
A) artificial propagation B) seeding C) sprigging D) plugging
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