A sliding cable is provided that basically includes a cable main body and a mesh structural body. The methods and apparatus allow either the injection of chemicals to enhance production of oil and gas, or to provide a conduit for production up through the small diameter tubing in marginal wells, into a hanger below a well valve to permit its removal from below the valve if the valve should be required to be closed and its reinsertion without pulling the tubing from the well bore. According to another exemplary embodiment, the processor determines a location of the wireless communication device andor one or more remote wireless communication devices when the processor detects a session entrance event. Fluid distributor also has a pair of opposed elongated hollow arms for coupling to a mop frame. The cultivating unit comprises one or more cultivating members adapted for breaking the soil and throwing it upwardly into the soil treating chamber, and the heat exchanger being in thermal communication with the heat generating unit, the bellows adapted for drawing ambient air, passing the air through the heat exchanger and throwing hot air into the soil treating chamber. Unused configuration registers that correspond to non-existent functions are used for other purposes.