It May be slower and more work, but i my head, an extended aircraft sole eliminates many of the necessities for “feel�?and instinct, of which i have close to none to date :). Your flat surface will be immediately ruined by immediate application of silicon carbide powder and oil or http://brookssrmn069.timeforchangecounselling.com/why-the-biggest-myths-about-silicon-carbide-wafer-suppliers-may-actually-be-right