A wireless device-based system provides location-based services by determining the location of the wireless device and arranges for the service and the payment therefor. The system comprising a cuttings press having solidsfluids separation a dryer andor a retort for flashing off any residual petroleum residue and moisture, a fines grinder and a chemical injection system. The task processing terminal processes the data block assigned by the control terminal according to a flow. In one embodiment, the absorbent material may be separable from the article body, for disposal of the absorbent material without the body. By manipulating electrical inputs to the AWPOG which control the phase shift, the optical waveform can be arbitrary shaped. 90 client modem to demodulate pulse code modulated data transmitted as pulse amplitude modulated signals from a digital network.