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.
Further treatment will only be needed if the cyst stops you using your knee or causes persistent pain. To treat a Baker's cyst you can: take non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, to reduce swelling and pain in the affected knee hold an ice pack to your knee for 10-20 minutes to reduce any swelling â try a bag of frozen peas wrapped in a tea towel (never put ice directly on your skin)