Uses Sand



sand sorting tower @ gravel pit.



agriculture: sandy soils ideal crops such watermelons, peaches , peanuts, , excellent drainage characteristics make them suitable intensive dairy farming.
aquaria: sand makes low cost aquarium base material believe better gravel home use. necessity saltwater reef tanks, emulate environments composed largely of aragonite sand broken down coral , shellfish.
artificial reefs: geotextile bagged sand can serve foundation new reefs.
artificial islands in persian gulf.
beach nourishment: governments move sand beaches tides, storms or deliberate changes shoreline erode original sand.
brick: manufacturing plants add sand mixture of clay , other materials manufacturing bricks.
cob: coarse sand makes as 75% of cob.
concrete: sand principal component of critical construction material.
glass: sand rich in silica principal component in common glasses.
hydraulic fracturing: drilling technique natural gas, uses rounded silica sand proppant , material hold open cracks caused hydraulic fracturing process.
landscaping: sand makes small hills , slopes (golf courses example).
mortar: sand mixed masonry cement or portland cement , lime used in masonry construction.
paint: mixing sand paint produces textured finish walls , ceilings or non-slip floor surfaces.
railroads: engine drivers , rail transit operators use sand improve traction of wheels on rails.
recreation. playing sand favorite beach time activity. 1 of beloved uses of sand make intricate, simple structures known sand castles. such structures known impermanence. sand used in children s play. special play areas enclosing significant area of sand, known sandboxes, common on many public playgrounds, , @ single family homes.
roads: sand improves traction (and traffic safety) in icy or snowy conditions.
sand animation: performance artists draw images in sand. makers of animated films use same term describe use of sand on frontlit or backlit glass.
sand casting: casters moisten or oil molding sand, known foundry sand , shape molds pour molten material. type of sand must able withstand high temperatures , pressure, allow gases escape, have uniform, small grain size , non-reactive metals.
sand castles: shaping sand castles or other miniature buildings popular beach activity.
sandbags: these protect against floods , gunfire. inexpensive bags easy transport when empty, , unskilled volunteers can fill them local sand in emergencies.
sandblasting: graded sand serves abrasive in cleaning, preparing, , polishing.
thermal weapon: while not in widespread use anymore, sand used heated , poured on invading troops in classical , medieval time periods.
water filtration: media filters use sand filtering water.
wuḍūʾ: islamic procedure washing parts of body.
zoanthid skeletons : animals in order of marine benthic cnidarians related corals , sea anemones, incorporate sand mesoglea structural strength, need because lack true skeleton.




^ importing sand, glass may restore beaches . npr.org. 17 july 2007. 






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