A portable sprayer includes a tank and a measuring device in selective fluid communication with the tank. Framing assemblies including wall stud assemblies and top and bottom plate assemblies that are each composed of two separated chords firmly connected by a combination of connecting members that include pegs andor blocks. A positioning control is subordinate the torque control, the positioning control providing that the minima between the maxima of the summed torque are rapidly and reliably passed and the electric motor is stopped in the region of a maximum. This DVI cable is also provided to transmit so-called DDC data, which particularly comprises specification information of the LCD display module. The spinning apparatus includes a clamp for holding the workpiece vertically. According to the surface acoustic wave element 1, the impedance characteristic and the insertion loss can be improved.