When raceways are installed vertically in the building, from one floor to another, the vertical direction may be represented by the arrow symbol inside a(n)____.
A)triangle
B)square
C)circle
D)oval

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The Answer of When raceways are installed vertically in the building, from one floor to another, the vertical direction may be represented by the arrow symbol inside a(n)____.
A)triangle
B)square
C)circle
D)oval

When Raceways Are Installed Vertically in the Building, from One