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#standardization #formal specification #written standards #design code #building code #documented procedure #metrology

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#dark theme #design code #color reference #specific style #possibly typo for black

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#hex code #hexadecimal color #web color #css color #color code #hash color letters #design code

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#hex color #web color #internet color #html color #css color #hexadecimal #design code

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#layout code #graphical divider #measurement code #design code #rule element #separator element