Symptoms of bladder infections may include: 1  A burning sensation when urinating; this is the most common sign of a bladder infection. 2  Frequent urge to urinate.  Passing only small amounts of urine at a time despite the urge to urinate.
Sunshine. The term fracking sand refers to sand and similar small materials that are used during the process of hydraulic fracturing, a method for extracting underground natural gas from shale gas formations.
Industrial sand and gravel, often called silica, silica sand, and quartz sand, includes sands and gravels with high silicon dioxide (SiO 2) content. These sands are used in glassmaking; for foundry, abrasive, and hydraulic fracturing (frac) applications; and for many other industrial uses.