Explain why sidewalks need grooves across the surface

What will be an ideal response?


Sidewalks need shallow grooves or joints across the surface at three-foot intervals to control cracking
due to expansion.

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(b) CEA compares alternatives on the basis of a specific outcome rather than solely on monetary units

(a) Canons (b) Norms (c) Standards (d) Laws

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The standard diametric clearance between bolt and flange-hole is _________.

Fill in the blank(s) with the appropriate word(s).

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What are heavyweight aggregates, for what purpose are they used, and what are some examples of those frequently used?

What will be an ideal response?

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?Laser power can be controlled to merely ____ the plastics surface or actually vaporize and melt it.   

A. ?thread B. ?machine C. ?drill D. ?etch

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