The invention provides methods and compositions for reducing the malodorous sulfide gas released by a wastewater treatment system. An appropriate tissue-shaping surface can be selected based on the regular refractive error of the eye, and a shape of the target laser surface can be calculated so as to correct irregular refractive errors of the eye, impose desired additional sphero-cylindrical andor irregular alterations. To realize such, some of the qubits may have a relatively high connectivity, and may thus operate substantially classically. Also, in some embodiments, the generated sub-network performs a set of two or more functions. The method includes in any order: determining an unallocated capacity for service by the appliance; determining a load for servicing a reader of the plurality; and if the load fits within the unallocated capacity, providing a signal to the network for another appliance of the plurality, the signal for indicating that the appliance can service the reader.