In WY, a gas fitter is any person who is qualified by license as a gas fitter or plumber, or in case there is no state or municipal gas fitter's or plumber's license law, any person versed in the trade as a gas fitter or plumber and follows such trade as his principal occupation. It shall be unlawful for any person to perform gas fitting for which a permit is required, unless he is a WY licensed gas fitter. We create these self-practice test...