Also known as: RO-, RO#
RO stands for various terms. Discover the full forms, meanings, and possible interpretations of RO across different fields and industries.
The initial stage of a plumbing, electrical, heating, carpentry, and/or other project, when all components that won't be seen after the second finishing phase are assembled. also Heat Rough, Plumbing Rough, and Electrical Rough. The horizontal and vertical measurement of a window or door opening before drywall or siding is installed.
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