A method and apparatus of assembling a rotary machine includes providing at least one component. In one embodiment, a side surface of each trench is perpendicular to its bottom surface and at least one trench depth is equal to half of its width divided by the tangent of a selected Littrow angle. A second set of processes enables a user who is seeking to supply an answer, to claim exclusive rights to supply that answer for a period of time. The data is associated with a remote device in the wireless network and is stored as one or more packets at a first storage location in the memory with a first identifier identifying the remote device. The pigment flakes can be interspersed into liquid media such as paints or inks to produce colorant compositions for subsequent application to objects or papers.