1. A method for preventing contamination with use of non-contact human input, comprising: capturing human input in a contamination-sensitive environment, the human input provided for control of an input-controllable electronic system, and the human input provided by a form of non-contact human input; performing input recognition upon the captured human input; determining a command from the input recognition to perform in the input-controllable system; and performing the command in the input-controllable electronic system.