In diffusion, molecules pass from a region of high concentration to a region of low concentration.
Answer the following statement true (T) or false (F)
True
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How should all STOP buttons be wired?
What will be an ideal response?
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A notch filter is another term for a band-pass filter
Indicate whether the statement is true or false
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Fly ash directly replaces ________
A) Admixtures B) Cement C) Aggregate D) Sand
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When performing overhead work on scaffolding, what protective measures must be taken to prevent objects
from falling and striking a person below? a. Fall arrest systems are used. b. Alarm systems should be enabled. c. Toeboards, debris nets, or canopies must be applied. d. Warning tags are posted on the scaffold.
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