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A curb cut. The curb cut effect is the phenomenon of disability-friendly features being used and appreciated by a larger group than the people they were designed for. The phenomenon is named for curb cuts – miniature ramps comprising parts of sidewalk – which were first made for wheelchair access in particular places, but were also welcomed by people pushing strollers, carts or luggage.
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. [4] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.
Terms similar to curb mining include "dumpster diving" and "freeganism".In June 2007, The New York Times wrote: [2] "Freegans" are scavengers of the developed world, living off consumer waste in an effort to minimize their support of corporations and their impact on the planet, and to distance themselves from what they see as out-of-control consumerism.
Raised sidewalk with stone curbs beside a 2000-year-old paved road in Pompeii, Italy. A sidewalk (American English and Canadian English) or [1] [2] [3] footpath (British English) is a path along the side of a road. Usually constructed of concrete, pavers, brick, stone, or asphalt, it is designed for pedestrians.
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Wheelchair users and other disabled people may opt to avoid streets and sidewalks made with cobblestone. Some European cities, such as Breda in the Netherlands , have tried to preserve their historic aesthetic while also making cobblestone pavement more accessible for disabled people by slicing the cobblestone to be flat on the surface.
The concrete paving bricks are a porous form of brick formed by mixing small stone hardcore, dyes, cement and sand and other materials in various amounts. Many block paving manufacturing methods are now allowing the use of recycled materials in the construction of the paving bricks, such as crushed glass and crushed old building rubble .
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