A throttle control apparatus includes a valve. First, an optical-communication functional portion is disposed on a lead frame where each lead is held by an insulating connection leads. A method of cleaning the forming surfaces of the hot forming die includes washing the forming surfaces of the hot forming die in water to remove the stop off material without removing the nickel oxide layer from the forming surfaces. A releasable latch assembly releasably secures the support bar to the bracket. In one embodiment, the ink-jet ink can further include an effective amount of a latex.