The classification of pillows is also varied. The ancients used to distinguish pillows as winter pillows, summer pillows or soft pillows and hard pillows. This classification is very suitable for health care. Summer likes to use cool pillows, winter pursuit of warm pillows, some people I like harder pillows, and some people prefer softer pillows. Modern people are divided into first pillow, lumbar pillow, pillow, ear pillow, etc. according to the function of the pillow. And the classification from the pillow material is more: stone pillows such as jade and magnet; wood pillows such as sandalwood and cypress; medicinal pillows such as cassia seed, silkworm, and chrysanthemum; cotton, velvet and various chemical fiber pillows, etc. Soft pillows, as well as pillows such as water pillows, air pillows, tea pillows, etc. These pillows are loved by people in different eras and with different characteristics, and their performances are also good or bad.
The steel Wire Rope is a spiral steel wire bundle twisted together by wires with mechanical properties and geometric dimensions meeting the requirements according to certain rules. The steel wire rope is composed of steel wire, rope core and grease. The steel wire rope is twisted into strands by multi-layer steel wires, and then twisted into a spiral rope by a certain number of strands with the rope core as the center. In material handling machinery, it is used for lifting, pulling, tensioning and carrying. The steel wire rope has high strength, light deadweight, stable operation, is not easy to break suddenly, and works reliably.
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