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· radon detectors

· railing

· rebar

· recessed lighting

· registers for heat & air conditioning

· reinforcing steel

· rocks

· roofing shingles

· rugs

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11y ago
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14y ago

* rafters * rust * railing * roof * Roman shades

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Wiki User

10y ago

Rebar, reinforcing steel and rocks are used in construction. They begin with the letter r.

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Q: Things found on a building that start with the letter r?
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