Existing video surveillance security approaches enhanced with suitable functionality of the telecommunications wireless network are provided. Then, the photoresist layer is exposed and developed via a given mask, to form a pre-resist pattern. A cleaning device for the hollow needle is arranged at the parked position. Consequently, resolution of the time width of the pulse drive signal Vg is improved so as to be higher than the clock pulse duration Tclk, which is time resolution of the DSP 17 itself. According to certain embodiments, the degree of selectivity with which a table is accessed is used to identify tables that are likely to be reused in subsequent database operations. By chaining these spring-loaded stages together, a relatively small input force, as provided by the rotary actuator, causes the second spring-loaded stage to generate a relatively large output force on the fins.