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Crumb rubber. Crumb rubber is recycled rubber produced from automotive and truck scrap tires. During the recycling process, steel and tire cord (fluff) are removed, leaving tire rubber with a granular consistency. Continued processing with a granulator or cracker mill, possibly with the aid of cryogenics or by mechanical means, reduces the size ...
A) A superhydrophobic surface with a high contact angle nearing 180 degrees. B) A surface with a low water sliding angle. C) A surface with a higher sliding angle which will be less efficient when self-cleaning water from its surface. Control over surface wettability is a critical aspect of self-cleaning surfaces.
Olympic-size swimming pool and starting blocks at Melbourne Sports and Aquatic Centre used for the 2006 Commonwealth Games in Melbourne, Australia. A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground ...
The New York State Department of Environmental Conservation (informally referred to as NYSDEC, DEC, EnCon or NYSENCON) is a department of New York state government. The department guides and regulates the conservation, improvement, and protection of New York's natural resources; manages Forest Preserve lands in the Adirondack and Catskill parks, state forest lands, and wildlife management ...
The National Marine Sanctuary of American Samoa (formerly the Fagatele Bay National Marine Sanctuary [1]) is a federally-designated underwater area protected by the National Oceanic and Atmospheric Administration 's (NOAA) Office of National Marine Sanctuaries. This sanctuary is the largest and most remote in the National Marine Sanctuary ...
Pee-Chee folder. The Pee-Chee All Season Portfolio is an American stationery item that achieved popularity in the second half of the 20th century. It is commonly used by students for storing school sheets. The folder, which was originally produced solely in a peach-yellow tone, was first manufactured in 1943 by the Western Tablet and Stationery ...
Shotgun cartridge. A 12-gauge shotgun cartridge in a transparent plastic hull, allowing the contents to be seen. From left to right: brass, propellant, over-powder wad, shot wad, #8 birdshot, over-shot wad, and crimp. A shotgun cartridge, shotshell, or shell is a type of rimmed, cylindrical (straight-walled) ammunition used specifically in ...
McKinney Roughs Nature Park. McKinney Roughs Nature Park is a 1,140-acre (460 ha) nature park and archaeological site in Cedar Creek, Texas, United States. Located about 13 mi (21 km) east of Austin and next to the Colorado River, the park features 17.6 mi (28.3 km) of trails for hiking, mountain biking, and horseback riding.
Environmental impacts of fuel wood utilization. Fuel wood utilization in Nigeria has significant environmental impacts, which include deforestation and loss of forest ecosystems, air pollution, loss of biodiversity, soil erosion and land degradation, water resource depletion, Disruption of local ecosystems and associated health concerns, as well as contributing to climate change through carbon ...
Diving. Diving is the sport of jumping or falling into water from a platform or springboard, usually while performing acrobatics. Diving is an internationally recognized sport that is part of the Olympic Games. In addition, unstructured and non-competitive diving is a recreational pastime.