An expandable spinal implant including at least two expandable branch portions extending generally along a longitudinal axis and each including a fixed end portion and an opposite movable end portion with the fixed end portions coupled together adjacent a base portion of the implant. The low-resistance layer decreases the substrate resistance and the noise characteristic of the semiconductor device can also be improved. The output of the plural rake fingers are combined. The striping module calculates a stripe pattern for the data. In addition, it is possible to carry out the reproduction and saving of beat units having musically satisfactory breaks by carrying out the reproduction and the saving at the storage address units that have been acquired. The process is provided whereby fly ash-carbon mixtures, or de-volatilized coal char, or anthracite coal culm is co-fired in an air-cooled, slagging combustor with limestone or similar slag fluxing materials converts the ash into cementitious slag with properties similar to ground granulated blast furnace slag.