When a person is sitting, the strength of the lumbar spine is twice that of standing. If the body is tilted forward 20 degrees, the pressure on the lumbar spine will increase to nearly three times. It can be said that sometimes sitting is more tiring than standing. If you want to reduce fatigue when
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What problems should be paid attention to when printing cotton and linen pillows?The indispensable thing in home textiles is the pillow. Sofas and pillows are like people and air. No one can do without. Of course, pillows can't be ordinary. In order to improve the quality of pillows, we start with d
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