A method of finishing a fan blade includes bonding a sheath and a cover to an aluminum fan blade with an airfoil, a root, a leading edge and a tip; imparting residual stresses onto the blade; coating the blade to protect exposed areas of the blade; and curing the blade in low-temperature cure cycles to preserve residual stresses imparted. One or more circuits in the memory system program the non-volatile storage elements by changing the reversible resistance-switching material of one or more non-volatile storage elements to a first resistance state. Each adjustably positioned dividing rail is removably secured by locating pins with ball detent. Also in some cases the providers also provide transactions services, and the specific individuals connecting through the system may accomplish transactions, which may include drag-and-drop implementation.