Semantic clustering techniques are described. The waves travel across the cell and samples undergoing separation. The pore formation material is drained in the degreasing step, with part of the binder remaining un-drained. The urine storage bag has a failsafe device in the event of system failure, it being detachable from the pump with a stored extendable portion forming a seal with user’s body allowing urination into the bag without urine splash-back and upon completion the user places the extended portion back into the unit closing it with a ziplock. Starting High Speed Search, the system controller judges whether or not the count value of the reel FG pulses has reached the target count value.