A blind lift rod control lock includes a housing having an axle hole, a rotating member revolvably mounted in the axle hole of the housing, the rotating member having a non-circular through hole, which receives a lift rod for enabling the rotating member to be synchronously rotated with the lift rod, a reverse ratchet, and a forward ratchet, and a locking mechanism. Light emitting devices using the phosphorescent iridium complexes are also disclosed. The outer terry or outer pile is a natural fiber, and the lower terry or lower pile is a microfiber. Each intermediate sequence of bits is used as input to a subsequent permutation instruction. The combustion face includes an abrupt transition from the compound bowl surface to the compound rim surface.