An artistic knife with spare blades, including a main body in which a blade seat is back and forth slidably disposed. Each of the different maximum failure rates corresponds to a different task of a plurality of tasks. The immersion fluid retaining structure further comprises at least one of: a first inlet positioned proximate the imaging lens and coupled to a vacuum pump system, the first inlet operable to provide the first fluid to the space between the front surface and the substrate, and a second inlet positioned proximate the imaging lens and operable to provide a second fluid on the substrate. The device further includes at least one exciter mounted in the inner space and configured to generate sound.