A process for producing hydrophobic cotton fabric useful as material for forming a wide variety of useful articles. The circuit breaker unit including a circuit breaker movable contact configured to be actuated between a closed position and an open position with respect to a corresponding circuit breaker fixed contact. For producing the password, the electronic system includes an image archive, in which various partial images representing certain subareas of a whole identifier image have been saved in electronic form. The control block supplies a multitude of pulse-width modulated signals in response to the received digital input signal. Mechanisms for preparing pure water for infusion or medicaments are described such as elimination of chlorine and colloidal aluminum. In one implementation, the PMOS transistor has a negative threshold voltage.