Disclosed is a system, method, and program for generating user interface output on an output device attached to a remote computer. There is an ergonomically designed handle with an onoff ball valve switch to turn water flow on or off. The method also includes providing multiple candidate vehicle paths and vehicle speeds to avoid the static and moving objects in front of the vehicle. The solution according to the present invention may be utilized in any kind of electrochemical measurement in the fields of e. A pressure mechanism forces the fluid from the open to the closed end and the quantity of fluid is set to fill the mechanism even if the gas-fluid interface moves.