Pipe of X70 grade or higher is more sensitive to hydrogen _____.?
?
Fill in the blank(s) with the appropriate word(s).
cracking
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What color code is normally used to identify an oxygen hose on an oxy-acetylene station?
A. blue B. red C. black D. green
A(n) ____________________ bar chart is used to show comparisons for multiple aspects or groups of items.
Fill in the blank(s) with the appropriate word(s).
In a building whose structural system consists of columns, beams, and floor and roof slabs, the columns are spaced at 40 ft on center in one direction and 25 ft on center in the other direction. What is the tributary area for an interior column?
A) 500 ft2 B) 1,000 ft2 C) 1,000 ft D) 250 ft2 E) None of the above
Any attempt to reach us through our eyes is considered:
a. a visual aid b. readability c. emphasis d. visual communication