A surgical instrument can include a body, a tracking device, and a handle. A curable ureaformaldehyde resin composition may contain a curable ureaformaldehyde resin and the foregoing composition, and may be made by combining the resin with the composition. Also disclosed is a closed-loop fluid pressure control system, for independently controlling the pressure of the hot melt adhesive material being conveyed to the metering devices, whereby the working pressures of the hot melt adhesive materials being conveyed to the metering devices can have different working pressures. A bank employee at the teller tower performs transactions for a customer, such as depositing cash, performing account inquiries, etc. A plurality of ribs at the intermediate portion of the probe can be included to contact the lips andor teeth for greater positional stability of the thermometer. This effect may be reduced substantially by changing the relative timing of the programming pulses applied to the array lines for the selected memory cell, even if the voltages are unchanged.