Unplug the sensor from the wiring harness, and get a special O2 sensor socket from the auto parts store (some loan them out for free) and remove the old sensor from the exhaust bung. If the sensor won't budge, try more penetrating oil or attempt the removal with the engine warm (be careful not to burn yourself).
However, a mattress that is too soft is just as bad for low back pain as a mattress that is too firm. In a 2005 study, The Journal of the Canadian Chiropractic Association pointed out that in a survey, 76% of orthopedic surgeons recommended firm mattresses.
In an effort to help consumers keep their bedrooms cleaner and safer to sleep in, PangeaBed has debuted an anti-bacteria pillow called the Copper Pillow. Similar to the brand's ultra-popular copper-infused mattress, the pillow is specially designed to solve the tricky issue of bedroom sanitation. PangeaBed's Copper Pillow is a high-end pillow made from the most innovative materials in the industry. First and foremost, the core of the pillow is made with copper-infused 100 percent pure Talalay Latex.