The basic principle for coal preparation is to first liberate the coal particles from the gangue (quartz) and then, by applying different water based techniques, separate the coal particles and gangue particles.
Acetaminophen in the Treatment of Acute Low Back Pain. For low back pain, acetaminophen can be effectively used as an analgesic (or pain killer). Doctor-written article on acetaminophen as a pain reliever for lower back pain.
Chiropractic and osteopathic medicine represent another nonsurgical treatment option for patients with back pain. Chiropractors and osteopathic doctors may decrease low back pain by mobilizing joints in the lumbar spine though manipulations (commonly referred to as adjustments).hiropractic on the Lumbar Spine Video. The overall philosophy for chiropractic medicine is that joint dysfunction in the lower (lumbar) spine can produce lower back pain.