Manufacturing commercial phosphate fertilizer. Rock phosphate is the raw material used in the manufacture of most commercial phosphate fertilizers on the market. In the past, ground rock phosphate itself has been used as a source of P for acid soils.
Chronic knee pain is often attributed to inflammatory arthritis associated with an autoimmune disorder of the joints. Occasionally, knee pain is a symptom of an infection or bone tumor. Pain relief drugs are used as the primary treatment for knee pain. However, mild to moderate knee pain responds to drug-free treatments. Natural treatments can easily alleviate acute knee pain.
What's the best way to heal a skinned knee? Quick Answer. To heal a skinned knee, WebMD advises rinsing the knee with water immediately following the injury to ensure that dirt and debris are removed. Pressure is then applied to stop bleeding, if necessary, and a clean dressing is applied.