A method for controlling packet priority is disclosed. The system and method provide a methodology and corresponding analysis engines increase the level of confidence that common vulnerabilities are not present in a particular application. At an output layer, estimated jammer signals may be linearly combined to produce an estimated nonlinear interference used to cancel the nonlinear interference of a victim signal. The portable concrete plant further includes conveying systems for conveying the components from the storage regions and from the slurry mixer to a system discharge port. Chemical mechanical planarization may be utilized to define the phase change material reducing the effects of phase change material dry etching in some embodiments. A lean support member is fastened near the rearward end of the binding for engagement with a stopper block secured to the highback to define a minimum forward lean angle of the boot and to limit the aft flexure of the ankle support portion of the boot when the boot is received within the binding.