... product collector, bio-magnetism context of learning. Ergonomics, using a variety of high-tech: negative ions, far infrared, high- ... flow of qi and physical health. The crowd: heating in winter, rheumatism, rheumatoid, arthritis, frozen shoulder, cervical spondylosis, thoracic ... ) suggested changing the water once a month the machine. help to to have a warm winter high quality portable heating blanket