A multifunctional utility belt attachment apparatus includes a radio-holster swivel and a drop-leg extender. Shallow trenches are formed to isolate first active regions and second active regions. The two commands are in time-staggered lockstep. 37 or less The total content of the water-soluble compounds is 22-50 mass % with respect to the total amount of the ink The content of the ethylene urea is 11.