Cellulosic materials such as wood chips, textile fibers and the like are treated to produce products such as particle board having enhanced fire and heat resistant properties. In one embodiment, an apparatus for gas-supersaturating fluids, e. Each IO controller is configurable with a plurality of IO connections to another system controller. The adjustable couplings are adjusted to reduce the cross section to properly fit the limb of the patient and provide proper protection and support during the healing process. Moreover, the service lives of the women’s form-fitting undergarments which are provided with the port frames are prolonged.