A lithographic apparatus is disclosed that includes an encoder type sensor system configured to measure a position of a substrate table of the lithographic apparatus relative to a reference structure. The present invention is also directed to a method of etching a plate, for use with a molded die set, for embossing a wood grain pattern in the door skin, and the etched plate formed therefrom. When the inverted plurality of bits is read from the memory array, the bits are inverted to provide the file system structure bits in their original, non-inverted configuration. The projector unit includes a unit body, which accommodates liquid crystal display panels and a projection lens, and a lamp housing in which a lamp unit is removably set. The membrane is suitable for blood-feeding insects to pierce or puncture in order to feed. The remote transmitter signals the receiver for controlling the drive motor, the steering motor, and the spring assemblies.