Packet network addresses, such as Internet Protocol addresses, may be assigned dynamically to computer systems accessed from the packet network by dial-out calls through a telephone network. The diffusion barrier layer prevents mixing of the two metals, which can alter desired physical characteristics and complicate processing. The inspection system includes a high-speed pneumatic sorting matrix which selectively transfers the components into various length measuring stations, camera inspection stations, mechanical gauge stations, andor coining stations, and then positions the parts at those stations for combined gauge and visual tolerance checking and sorting. The pressure of the abrasive liquid lies below 50 bar, preferably below 20 bar. The present invention is also directed to a method to treat fabrics wherein such an emulsion is created during the treatment process and requires electric coalescence prior to reuse of the lipophilic fluid. The tether includes a ratchet mechanism for shortening and lengthening the tether and for changing an angle of the ladder relative to the ground.