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The 1990 Interstate 75 fog disaster was a traffic collision that occurred on the morning of December 11, 1990, on a section of Interstate 75 (I-75) near Calhoun, Tennessee, during dense fog which obscured the visibility of motorists.
The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [1] to refer to smoky fog due to its opacity, and odor. [2] The word was then intended to refer to what was sometimes known as pea soup fog , a familiar and serious problem in London from the 19th century to the mid-20th century, where it was ...
Security smoke is a thermally generated white fog, aimed at inhibiting intruders from accessing items to steal, much used in the storage of high-value goods, and recommended by police and insurers. It consists of glycol or glycerine mixed with distilled water , which vaporises and then condenses in the air.
Dense smoke advisory NPW – Widespread or localized smoke reducing visibilities to 1 ⁄ 4 mi (0.4 km) or less (up to 1 nmi [1.2 mi; 1.9 km] for marine-based advisories, depending on locally defined criteria) is occurring; minimum visibility criteria may be defined by the accordant NWS Regional Headquarters or local Weather Forecast Office.
A fog machine, fog generator, or smoke machine is a device that emits a dense vapor that appears similar to fog or smoke. This artificial fog is most commonly used in professional entertainment applications, but smaller, more affordable fog machines are becoming common for personal use. Fog machines can also be found in use in a variety of ...
A tobacconist, also called a tobacco shop, a tobacconist's shop or a smoke shop, is a retail business that sells tobacco products in various forms and the related accoutrements, such as pipes, lighters, matches, pipe cleaners, and pipe tampers.
Fog over the Golden Gate Bridge (May 2009). Fog is a common weather phenomenon in the San Francisco Bay Area and the entire coastline of California extending south to the northwest coast of the Baja California Peninsula.
SCBA is intended to be personal protective equipment, but its use is not without cost. The weight of the unit and work of breathing affect the work capacity and agility of the wearer, and the full-face mask, while protecting the face and eyes from heat, smoke, and toxic gases, also reduces peripheral vision and awareness of the surroundings.