-
Water bed difference
The gaps and springs inside the spring mattress bed will absorb moisture and rust, thus accumulating a lot of harmful substances such as carbon dioxide. Sleeping will affect the health of the body: the water in the water bed is isolated from the outside and does not adsorb wet.Gas, human excremen... -
Water bed effect
Is the water bed good for my back?The waterbed makes your back feel extremely comfortable, and when you lie on a floating mattress, the water is automatically drained according to your body shape. The bed will not sag and deform (even after 10 years, it will remain intact). Regardless of your wei... -
Water bed invention
The record of using the “water bed” was as early as 3,000 years ago. At that time, the Persians slept in the sun-warm goatskin water bag, which was first designed by British doctor Dr. William Hoop in 1851. He found that in the treatment of various medical conditions, the pressure-red... -
Type of water bed
There are two main types – hard-edged water beds and more modern soft-sand sofa waterbeds. The hard-edged waterbed is the first waterbed to come out. The bed frame is the main support for mattresses made of vinyl and is part of the bedroom furniture. Bed frames are made of natural wood (suc... -
What is a water bed?
The waterbed can completely conform to the body curve. In any case, changing the sleeping position can evenly support the whole body weight, so that the cervical vertebrae and lumbar vertebrae are no longer suspended, reducing the pressure of the body’s own weight on the spine, muscles, mic... -
The physical principle of the Oxygen concentrator
Using the adsorption performance of the molecular sieve, through the physical principle, the large-displacement oil-free compressor is used as the power to separate the nitrogen and oxygen in the air, and finally obtain a high concentration of oxygen.This type of oxygen generator produces rapid o...
