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.
See a physical therapist, chiropractor, or osteopathic doctor for this type of care. Ask your doctor if you can take acetaminophen (such as Tylenol). Ibuprofen or another anti-inflammatory medicine can also help relieve pain. To treat chronic neck pain, your doctor may prescribe medicine to relax your neck muscles.