The sleeping car tires. Use the pressure value 5 pounds per square inch (PSI) or 258 mmHg average duration to adjust the pressure equal to 3.93 compare wind power and innovative bed mattresses, tyres only efficient. Together, 1. the tyre is cheaper mattresses, mattresses, electric and wind can devise themselves. 2. the tyre can keep the mattress and moved more easily bed 3. electric air mattress cost more than electric cars, rubber mattresses. Therefore, the invention of rubber mattresses, car Electric air mattress can be used instead. Lower cost is useful, especially to apply to a group of chronic disease patients. It is necessary to use the mattress to protect the wound press home-based overlays.
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