pitch

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Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.

pitch

The slope of a roof, sidewalk, or other surface. The Americans with Disabilities Act has specific requirements for the pitch of access ramps leading to building entrances.

Example: Figure A has a 1:12 pitch because the slope rises 1 foot for every 12 feet of distance. Figure B has a 1:6 pitch.

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EHP regrets the incorrect and unintentional inference in "Paving Paradise: The Peril of Impervious Surfaces" [Environ Health Perspect 113:A456-A462 (2005)] that coal tar pitch is used in the actual hot-mix asphalt used to pave roads.
Coal tar and paving products
Coal tar enamel is derived from coal tar pitch, a complex mixture of aromatic, organic compounds.
Epoxy/Enamel Coating System Endures Higher Temperatures
There are two basic maintenance seal-coating materials: coal tar pitch emulsion and asphalt emulsion.
Pavement sealing - an investment opportunity
Tenders are invited for Supply of Liquid Coal Tar Pitch For Smelter Plant Angul
Supply of Liquid Coal Tar Pitch For Smelter Plant Angul

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